{"product_id":"stuart-turner-pulse-trade-25-60-130-high-efficiency-circulator-pump-130mm-230v-for-heating-ufh-systems","title":"Stuart Turner Pulse Trade 25\/60-130 High Efficiency Circulator Pump 130mm 230V – Heating \u0026 UFH Systems","description":"\u003cdiv style=\"font-family:Arial,Helvetica,sans-serif;font-size:16px;color:#1a1a1a;max-width:900px;margin:0 auto;line-height:1.6;\"\u003e\n\n  \u003cp style=\"font-size:17px;color:#333;margin:0 0 20px;\"\u003e\n    The \u003cstrong\u003eStuart Turner Pulse Trade 25\/60-130\u003c\/strong\u003e (Part No. 47505) is a \u003cstrong\u003epremium A-rated high-efficiency circulator pump\u003c\/strong\u003e designed for central heating, underfloor heating, and cylinder pre-plumb applications. Powered by an \u003cstrong\u003eECM permanent magnet motor\u003c\/strong\u003e with an \u003cstrong\u003eEnergy Efficiency Index (EEI) of ≤ 0.20\u003c\/strong\u003e — the best in its class — it cuts electricity consumption by \u003cstrong\u003eup to 80%\u003c\/strong\u003e compared to a conventional fixed-speed pump. With a \u003cstrong\u003e130 mm fitting length\u003c\/strong\u003e, it is a direct drop-in replacement for most existing domestic circulators, and comes complete with insulation shell, shrouded connector, 1.3 m cable, and a \u003cstrong\u003e5-year manufacturer's warranty\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003c!-- Stat strip --\u003e\n  \u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;\"\u003e\n    \u003cdiv style=\"flex:1;min-width:115px;background:#008377CF;color:#fff;border-radius:6px;padding:16px 12px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:24px;font-weight:700;\"\u003e6.0 m\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px;margin-top:4px;\"\u003eMax head\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1;min-width:115px;background:#008377CF;color:#fff;border-radius:6px;padding:16px 12px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:24px;font-weight:700;\"\u003e3,600 l\/h\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px;margin-top:4px;\"\u003eMax flow rate\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1;min-width:115px;background:#008377CF;color:#fff;border-radius:6px;padding:16px 12px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:24px;font-weight:700;\"\u003e4.5–38 W\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px;margin-top:4px;\"\u003ePower range\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1;min-width:115px;background:#008377CF;color:#fff;border-radius:6px;padding:16px 12px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:24px;font-weight:700;\"\u003eEEI ≤ 0.20\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px;margin-top:4px;\"\u003eErP A-rated\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1;min-width:115px;background:#008377CF;color:#fff;border-radius:6px;padding:16px 12px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:24px;font-weight:700;\"\u003e5-year\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px;margin-top:4px;\"\u003eWarranty\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Installer callout --\u003e\n  \u003cdiv style=\"background:#fff5f5;border-left:4px solid #e53e3e;padding:14px 18px;border-radius:4px;margin-bottom:20px;\"\u003e\n    \u003cstrong style=\"color:#c53030;\"\u003e⚠ Qualified Installer Required\u003c\/strong\u003e\u003cbr\u003e\n    Installation and electrical connection must be carried out by a \u003cstrong\u003equalified person\u003c\/strong\u003e in accordance with current national electrical regulations (IET Wiring Regulations in the UK). The pump must be permanently connected via a \u003cstrong\u003ededicated double-pole switched fused spur\u003c\/strong\u003e (5 A fuse). A \u003cstrong\u003e30 mA RCD\u003c\/strong\u003e should be installed in the supply circuit. \u003cstrong\u003eDo not run the pump dry\u003c\/strong\u003e. System pressure must not exceed \u003cstrong\u003e10 bar\u003c\/strong\u003e.\n  \u003c\/div\u003e\n\n  \u003c!-- Info callout --\u003e\n  \u003cdiv style=\"background:#e6f4f3;border-left:4px solid #008377CF;padding:14px 18px;border-radius:4px;margin-bottom:28px;\"\u003e\n    \u003cstrong style=\"color:#005c54;\"\u003eℹ Factory default: AUTO Smartadapt mode · Adjustable power range: 4 m or 6 m\u003c\/strong\u003e\u003cbr\u003e\n    The Pulse Trade 25\/60-130 ships set to \u003cstrong\u003eAUTO Smartadapt\u003c\/strong\u003e — it self-learns the system's heat demand and adjusts speed automatically. The \u003cstrong\u003epower range can be switched between 4 m and 6 m\u003c\/strong\u003e in service mode to suit your system's head requirements. Set in \u003cstrong\u003efixed speed 3 from start-up\u003c\/strong\u003e when used as a boiler-integrated circulator.\n  \u003c\/div\u003e\n\n  \u003c!-- Features --\u003e\n  \u003cdiv style=\"background:#008377CF;color:#fff;padding:10px 16px;border-radius:4px;font-size:15px;font-weight:700;letter-spacing:.5px;margin-bottom:18px;\"\u003eKEY FEATURES\u003c\/div\u003e\n  \u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-bottom:32px;\"\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:18px;\"\u003e\n      \u003cdiv style=\"color:#005c54;font-weight:700;border-bottom:2px solid #008377CF;padding-bottom:6px;margin-bottom:10px;\"\u003eECM Permanent Magnet Motor — Up to 80% Energy Saving\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eThe Pulse Trade uses an \u003cstrong\u003eelectronically commutated permanent magnet (ECM) motor\u003c\/strong\u003e — the same technology found in premium European circulators — to achieve an \u003cstrong\u003eEEI of ≤ 0.20\u003c\/strong\u003e, the ErP A-rating best in class. In a typical household where conventional pumps consume 10–20% of total electricity, switching to the Pulse Trade can reduce pump energy use by \u003cstrong\u003eup to 80%\u003c\/strong\u003e.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:18px;\"\u003e\n      \u003cdiv style=\"color:#005c54;font-weight:700;border-bottom:2px solid #008377CF;padding-bottom:6px;margin-bottom:10px;\"\u003eFour Operating Modes — Including Smartadapt AUTO\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eSelect the mode that suits your system from four options: \u003cstrong\u003eAUTO Smartadapt\u003c\/strong\u003e (self-learning, ideal for two-circuit and UFH systems), \u003cstrong\u003eProportional Pressure PP1\/PP2\u003c\/strong\u003e (best for heating circulation), \u003cstrong\u003eConstant Pressure CP1\/CP2\u003c\/strong\u003e (ideal for underfloor heating manifolds), and \u003cstrong\u003eConstant Speed I, II, III\u003c\/strong\u003e (for legacy or fixed-speed applications). All modes are selectable via the two-button LED panel.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:18px;\"\u003e\n      \u003cdiv style=\"color:#005c54;font-weight:700;border-bottom:2px solid #008377CF;padding-bottom:6px;margin-bottom:10px;\"\u003eAutomatic Night Setback\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eThe \u003cstrong\u003eautomatic night reduction function\u003c\/strong\u003e monitors flow temperature and automatically switches the pump to reduced power when the flow temperature drops by more than 10–15 °C in one hour — a reliable proxy for the heating system being in night setback or off. It returns to full operation as soon as the flow temperature rises 3 °C. Available in all modes \u003cstrong\u003eexcept constant speed\u003c\/strong\u003e.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:18px;\"\u003e\n      \u003cdiv style=\"color:#005c54;font-weight:700;border-bottom:2px solid #008377CF;padding-bottom:6px;margin-bottom:10px;\"\u003e130 mm Fitting Length — Direct Replacement\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eWith a standard \u003cstrong\u003e130 mm centre-to-centre fitting length\u003c\/strong\u003e and \u003cstrong\u003eG 1½\" threaded connections\u003c\/strong\u003e, the Pulse Trade is a \u003cstrong\u003edirect replacement for the vast majority of existing domestic circulators\u003c\/strong\u003e including older Grundfos, Wilo, and Lowara units at this fitting length — eliminating the need for adapter pieces or pipework modification.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:18px;\"\u003e\n      \u003cdiv style=\"color:#005c54;font-weight:700;border-bottom:2px solid #008377CF;padding-bottom:6px;margin-bottom:10px;\"\u003eRobust Cast Iron Pump Housing\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eThe \u003cstrong\u003ecast iron pump body\u003c\/strong\u003e provides the structural integrity and durability expected of a trade-specification circulator used in demanding heating and UFH environments. Rated to \u003cstrong\u003eTF 110 temperature class\u003c\/strong\u003e, with a medium temperature range of \u003cstrong\u003e+5 °C to 110 °C\u003c\/strong\u003e (at ≤ 25 °C ambient) and maximum system pressure of \u003cstrong\u003e10 bar\u003c\/strong\u003e.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:18px;\"\u003e\n      \u003cdiv style=\"color:#005c54;font-weight:700;border-bottom:2px solid #008377CF;padding-bottom:6px;margin-bottom:10px;\"\u003eBuilt-in Protection \u0026amp; Anti-Lock Function\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eThe Pulse Trade incorporates \u003cstrong\u003ebuilt-in over-current, temperature, and overvoltage protection\u003c\/strong\u003e to safeguard both pump and system. The \u003cstrong\u003eanti-lock function\u003c\/strong\u003e prevents the pump from seizing during prolonged idle periods — particularly useful in seasonal heating systems or systems that are shut down during summer. Memory retention means the pump \u003cstrong\u003eresumes its last operating mode\u003c\/strong\u003e after a power interruption.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:18px;\"\u003e\n      \u003cdiv style=\"color:#005c54;font-weight:700;border-bottom:2px solid #008377CF;padding-bottom:6px;margin-bottom:10px;\"\u003eLED Display — Real-Time Watt Reading\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eThe \u003cstrong\u003etwo-button LED control panel\u003c\/strong\u003e displays live \u003cstrong\u003epower consumption in watts\u003c\/strong\u003e, the active operating mode, night reduction status, and the selected performance level. The display switches off after 10 seconds of inactivity to reduce power consumption, reactivating on any button press. All settings are accessible without tools.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:18px;\"\u003e\n      \u003cdiv style=\"color:#005c54;font-weight:700;border-bottom:2px solid #008377CF;padding-bottom:6px;margin-bottom:10px;\"\u003eComplete Installation Pack — 5-Year Warranty\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eSupplied complete with \u003cstrong\u003einsulation shell, shrouded connector, 1.3 m power cable, and two flat gaskets\u003c\/strong\u003e — everything needed for a direct swap. Backed by \u003cstrong\u003eStuart Turner's full 5-year manufacturer's warranty\u003c\/strong\u003e, the longest in its class for a domestic trade circulator. Stuart Turner technical support: \u003cstrong\u003e0800 31 969 80\u003c\/strong\u003e or techassist@stuart-turner.co.uk.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- What's in the box --\u003e\n  \u003cdiv style=\"background:#008377CF;color:#fff;padding:10px 16px;border-radius:4px;font-size:15px;font-weight:700;letter-spacing:.5px;margin-bottom:18px;\"\u003eWHAT'S IN THE BOX\u003c\/div\u003e\n  \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:18px;margin-bottom:32px;font-size:15px;\"\u003e\n    \u003cul style=\"margin:0;padding-left:20px;line-height:2;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003ePulse Trade 25\/60-130 circulator pump\u003c\/strong\u003e (Part No. 47505)\u003c\/li\u003e\n      \u003cli\u003e\u003cstrong\u003eInsulation shell\u003c\/strong\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003cstrong\u003eShrouded connector\u003c\/strong\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003cstrong\u003e1.3 m power cable\u003c\/strong\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003cstrong\u003e2 × flat gaskets\u003c\/strong\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003cstrong\u003eInstallation, operation and maintenance instructions\u003c\/strong\u003e\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Spec table --\u003e\n  \u003cdiv style=\"background:#008377CF;color:#fff;padding:10px 16px;border-radius:4px;font-size:15px;font-weight:700;letter-spacing:.5px;margin-bottom:18px;\"\u003eTECHNICAL SPECIFICATIONS\u003c\/div\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:24px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background:#008377CF;color:#fff;\"\u003e\n        \u003cth style=\"padding:10px 12px;text-align:left;border:1px solid #c8e6e3;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px;text-align:center;border:1px solid #c8e6e3;\"\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003ePart number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e47505\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eMaximum head\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e6.0 m\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eMaximum flow rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e3,600 l\/h (3.6 m³\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003ePower consumption P1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e4.5 – 38 W\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eSupply voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e1 × 230 V \/ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eCurrent draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e0.04 – 0.25 A (4 m range) \/ 0.04 – 0.31 A (6 m range)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eEnergy Efficiency Index (EEI)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e≤ 0.20 (ErP A-rated — best in class)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eMotor technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003eECM permanent magnet\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eSound pressure level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e\u0026lt; 43 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eIP protection rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003eIP 42\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eTemperature class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003eTF 110\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eAmbient temperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e0 °C to 40 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eMedium temperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e+5 °C to 110 °C (at ≤ 25 °C ambient) · +5 °C to 95 °C (at ≤ 40 °C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eMaximum system pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e10 bar (1 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eMinimum supply pressure (medium \u0026lt; 75 °C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e0.05 bar (0.5 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eMinimum supply pressure (75–90 °C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e0.3 bar (3.0 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eMinimum supply pressure (90–110 °C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e1.1 bar (11.0 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003ePermitted media\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003eHeating water per VDI 2035\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eConnection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003eG 1½\" (BSP)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eFitting length (L)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eOverall height (H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e138 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eCentreline height (H1)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e112 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eWidth (B)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e93 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eWeight (without cable)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e2.12 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003ePump housing material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003eCast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eCable length (supplied)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e1.3 m\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eFuse rating required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eAdjustable head range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e4 m or 6 m (switchable in service mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eFactory default setting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003eAUTO Smartadapt\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eManufacturer's warranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e5 years from date of purchase\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003c!-- Operating modes table --\u003e\n  \u003cdiv style=\"background:#008377CF;color:#fff;padding:10px 16px;border-radius:4px;font-size:15px;font-weight:700;letter-spacing:.5px;margin-bottom:18px;\"\u003eOPERATING MODES AT A GLANCE\u003c\/div\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:32px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background:#005c54;color:#fff;\"\u003e\n        \u003cth style=\"padding:9px 12px;text-align:left;border:1px solid #c8e6e3;\"\u003eMode\u003c\/th\u003e\n        \u003cth style=\"padding:9px 12px;text-align:left;border:1px solid #c8e6e3;\"\u003eHow it works\u003c\/th\u003e\n        \u003cth style=\"padding:9px 12px;text-align:left;border:1px solid #c8e6e3;\"\u003eBest suited for\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eAUTO Smartadapt\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003eSelf-learns system heat demand over time; gradually adjusts pump power automatically\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003eTwo-circuit heating \u0026amp; UFH — set and forget; \u003cstrong\u003efactory default\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eProportional Pressure PP1\/PP2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003ePressure adapts proportionally to changing flow rate; speed varies with demand\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003eStandard central heating circulation — most energy-efficient mode for radiator systems\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eConstant Pressure CP1\/CP2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003eMaintains a fixed differential pressure regardless of flow; speed varies\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003eUnderfloor heating manifolds requiring steady differential pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003e\u003cstrong\u003eConstant Speed I \/ II \/ III\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003eRuns at fixed rotational speed across the full head-flow curve\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;\"\u003eLegacy systems or where fixed-speed control is specified; boiler pre-plumb (Speed III)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003c!-- FAQ --\u003e\n  \u003cdiv style=\"background:#008377CF;color:#fff;padding:10px 16px;border-radius:4px;font-size:15px;font-weight:700;letter-spacing:.5px;margin-bottom:18px;\"\u003eFREQUENTLY ASKED QUESTIONS\u003c\/div\u003e\n\n  \u003cdetails style=\"border:1px solid #c8e6e3;border-radius:4px;margin-bottom:10px;overflow:hidden;\"\u003e\n    \u003csummary style=\"background:#008377CF;color:#fff;padding:12px 16px;cursor:pointer;font-weight:600;list-style:none;\"\u003eWill the Pulse Trade 25\/60-130 replace my existing Grundfos \/ Wilo \/ Lowara pump?\u003c\/summary\u003e\n    \u003cdiv style=\"padding:14px 18px;background:#f0faf9;font-size:15px;\"\u003e\n      In the majority of cases, yes. The Pulse Trade 25\/60-130 has a standard \u003cstrong\u003e130 mm centre-to-centre fitting length\u003c\/strong\u003e and \u003cstrong\u003eG 1½\" BSP connections\u003c\/strong\u003e — the most common fitting specification for domestic heating circulators. It will directly replace any 130 mm fitting-length circulator without needing pipe adapters or modifications. Two flat gaskets are supplied. If your existing pump has a different fitting length (e.g. 180 mm), a different model will be required.\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border:1px solid #c8e6e3;border-radius:4px;margin-bottom:10px;overflow:hidden;\"\u003e\n    \u003csummary style=\"background:#008377CF;color:#fff;padding:12px 16px;cursor:pointer;font-weight:600;list-style:none;\"\u003eWhich operating mode should I use for underfloor heating?\u003c\/summary\u003e\n    \u003cdiv style=\"padding:14px 18px;background:#f0faf9;font-size:15px;\"\u003e\n      For underfloor heating, \u003cstrong\u003eConstant Pressure (CP1 or CP2)\u003c\/strong\u003e is usually the best starting point — it maintains a fixed differential pressure across the manifold, ensuring all loops receive consistent flow. \u003cstrong\u003eAUTO Smartadapt\u003c\/strong\u003e is also suitable for UFH as it self-learns the system demand over time. \u003cstrong\u003eProportional Pressure (PP1\/PP2)\u003c\/strong\u003e is better suited to radiator systems. Avoid constant speed modes for UFH unless your manifold specifically requires it.\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border:1px solid #c8e6e3;border-radius:4px;margin-bottom:10px;overflow:hidden;\"\u003e\n    \u003csummary style=\"background:#008377CF;color:#fff;padding:12px 16px;cursor:pointer;font-weight:600;list-style:none;\"\u003eHow do I switch the head range between 4 m and 6 m?\u003c\/summary\u003e\n    \u003cdiv style=\"padding:14px 18px;background:#f0faf9;font-size:15px;\"\u003e\n      The head range is changed in \u003cstrong\u003eservice mode\u003c\/strong\u003e: disconnect the pump from the 230 V supply for at least 15 seconds, then reconnect and press both buttons simultaneously within 3 seconds. Use the mode button to select \u003cstrong\u003e-4 (4 m range)\u003c\/strong\u003e or \u003cstrong\u003e-6 (6 m range)\u003c\/strong\u003e, then disconnect and reconnect power again to save the setting. For most domestic heating systems with modest pipework runs, the \u003cstrong\u003e4 m range\u003c\/strong\u003e is sufficient and gives the best energy efficiency. Use 6 m for larger properties or systems with higher resistance.\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border:1px solid #c8e6e3;border-radius:4px;margin-bottom:10px;overflow:hidden;\"\u003e\n    \u003csummary style=\"background:#008377CF;color:#fff;padding:12px 16px;cursor:pointer;font-weight:600;list-style:none;\"\u003eHow does the automatic night setback work?\u003c\/summary\u003e\n    \u003cdiv style=\"padding:14px 18px;background:#f0faf9;font-size:15px;\"\u003e\n      The night reduction function monitors the \u003cstrong\u003eflow temperature\u003c\/strong\u003e of the heating system. When the flow temperature drops by more than \u003cstrong\u003e10–15 °C within one hour\u003c\/strong\u003e — indicating the boiler has gone to setback or shut off — the pump automatically reduces its speed to save energy. It returns to normal operation as soon as the flow temperature rises by \u003cstrong\u003e3 °C\u003c\/strong\u003e again. The pump must be installed on the \u003cstrong\u003eflow (supply) side\u003c\/strong\u003e of the system for this to work correctly, and the system must have automatic temperature adjustment on the supply. Night reduction is \u003cstrong\u003enot available in constant speed modes\u003c\/strong\u003e.\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border:1px solid #c8e6e3;border-radius:4px;margin-bottom:10px;overflow:hidden;\"\u003e\n    \u003csummary style=\"background:#008377CF;color:#fff;padding:12px 16px;cursor:pointer;font-weight:600;list-style:none;\"\u003eCan the Pulse Trade 25\/60-130 be used with a pre-plumbed cylinder or boiler system?\u003c\/summary\u003e\n    \u003cdiv style=\"padding:14px 18px;background:#f0faf9;font-size:15px;\"\u003e\n      Yes — the Pulse Trade 25\/60-130 is specifically listed as suitable for \u003cstrong\u003eunderfloor heating, pre-plumbed cylinder, and boiler applications\u003c\/strong\u003e. When used as a primary circulator in a pre-plumbed cylinder package or integrated boiler system, set the pump to \u003cstrong\u003eConstant Speed III\u003c\/strong\u003e at start-up as directed by the cylinder or boiler manufacturer's commissioning instructions. The AUTO Smartadapt and proportional pressure modes are better suited to standalone heating circuit circulation.\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border:1px solid #c8e6e3;border-radius:4px;margin-bottom:10px;overflow:hidden;\"\u003e\n    \u003csummary style=\"background:#008377CF;color:#fff;padding:12px 16px;cursor:pointer;font-weight:600;list-style:none;\"\u003eWhat does the 5-year warranty cover?\u003c\/summary\u003e\n    \u003cdiv style=\"padding:14px 18px;background:#f0faf9;font-size:15px;\"\u003e\n      Stuart Turner warrants the Pulse Trade 25\/60-130 \u003cstrong\u003efree from defects in materials or workmanship for 5 years from the date of purchase\u003c\/strong\u003e. Within that period, Stuart Turner will repair or replace the unit at their discretion. The warranty \u003cstrong\u003edoes not cover\u003c\/strong\u003e damage from incorrect installation, improper use, unauthorised repair, normal wear and tear, or defects with negligible effect on performance. Warranty claims: call \u003cstrong\u003eTechAssist on 0800 31 969 80\u003c\/strong\u003e or email \u003cstrong\u003etechassist@stuart-turner.co.uk\u003c\/strong\u003e. Proof of purchase and the product serial number will be required.\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"Stuart Turner","offers":[{"title":"Default Title","offer_id":63421072605533,"sku":"47505","price":70.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/StuartTurnerPulseTrade25-60-130DomesticCirculatingPump.jpg?v=1771006690","url":"https:\/\/qualityheating.co.uk\/products\/stuart-turner-pulse-trade-25-60-130-high-efficiency-circulator-pump-130mm-230v-for-heating-ufh-systems","provider":"AIZO Quality Heating","version":"1.0","type":"link"}