{"product_id":"ferroli-mini5-5kw-instantaneous-under-sink-electric-water-heater","title":"Ferroli MINI5 5kW Instantaneous Under-Sink Electric Water Heater","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\u003eFerroli MINI5\u003c\/strong\u003e is an \u003cstrong\u003einstantaneous (tankless) electric water heater\u003c\/strong\u003e providing \u003cstrong\u003ehot water on demand at the point of use\u003c\/strong\u003e — with \u003cstrong\u003ezero standby heat loss\u003c\/strong\u003e and no stored water to maintain. Rated at \u003cstrong\u003e5 kW at 220–240 V\u003c\/strong\u003e, it is compact enough to fit in the tightest under-sink spaces at just \u003cstrong\u003e197 × 210 × 117 mm\u003c\/strong\u003e and \u003cstrong\u003e1.5 kg\u003c\/strong\u003e. Ideal for \u003cstrong\u003ecloakrooms, office washbasins, secondary sinks, and any location where a storage cylinder is impractical\u003c\/strong\u003e, the MINI5 ships with a \u003cstrong\u003ebuilt-in electrical cable\u003c\/strong\u003e and carries a \u003cstrong\u003e2-year warranty\u003c\/strong\u003e. No G3 certification is required for installation.\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:120px;background:#008377CF;color:#fff;border-radius:6px;padding:16px 12px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:26px;font-weight:700;\"\u003e5 kW\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px;margin-top:4px;\"\u003eInstantaneous power\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1;min-width:120px;background:#008377CF;color:#fff;border-radius:6px;padding:16px 12px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:26px;font-weight:700;\"\u003eNo tank\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px;margin-top:4px;\"\u003eZero standby loss\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1;min-width:120px;background:#008377CF;color:#fff;border-radius:6px;padding:16px 12px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:26px;font-weight:700;\"\u003e1.5 kg\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px;margin-top:4px;\"\u003eUltra-lightweight\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1;min-width:120px;background:#008377CF;color:#fff;border-radius:6px;padding:16px 12px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:26px;font-weight:700;\"\u003e2 l\/min\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px;margin-top:4px;\"\u003eMin. flow to activate\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1;min-width:120px;background:#008377CF;color:#fff;border-radius:6px;padding:16px 12px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:26px;font-weight:700;\"\u003e2-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!-- Info callout --\u003e\n  \u003cdiv style=\"background:#e6f4f3;border-left:4px solid #008377CF;padding:14px 18px;border-radius:4px;margin-bottom:20px;\"\u003e\n    \u003cstrong style=\"color:#005c54;\"\u003eℹ No G3 accreditation required\u003c\/strong\u003e\u003cbr\u003e\n    The MINI5 is an instantaneous water heater — it is \u003cstrong\u003enot an unvented storage cylinder\u003c\/strong\u003e and does not require G3 competency for installation. Plumbing connections are simple ½\" BSP. \u003cstrong\u003eElectrical connection must be made by a qualified electrician\u003c\/strong\u003e to a dedicated fused spur rated for a 5 kW load, in accordance with IET Wiring Regulations.\n  \u003c\/div\u003e\n\n  \u003c!-- Output temperature note --\u003e\n  \u003cdiv style=\"background:#fff8e6;border-left:4px solid #d69e2e;padding:14px 18px;border-radius:4px;margin-bottom:28px;\"\u003e\n    \u003cstrong style=\"color:#744210;\"\u003eℹ Understanding instantaneous output temperature\u003c\/strong\u003e\u003cbr\u003e\n    With instantaneous heaters, \u003cstrong\u003eoutlet temperature depends on cold inlet temperature and flow rate\u003c\/strong\u003e. At 5 kW with a 2 l\/min flow rate and 10 °C incoming cold water, the MINI5 can deliver water at approximately \u003cstrong\u003e46 °C\u003c\/strong\u003e — ideal for hand washing. Higher flow rates reduce the temperature rise. This unit is designed for \u003cstrong\u003esingle-point hand-washing use\u003c\/strong\u003e, not showers or bath-filling.\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;\"\u003eInstantaneous — Zero Standby Heat Loss\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eThe MINI5 heats water \u003cstrong\u003eonly when the tap is opened\u003c\/strong\u003e — electricity is consumed solely on demand, eliminating the standby losses associated with storage heaters. This makes it the \u003cstrong\u003emost energy-efficient option for low-frequency or single-outlet use\u003c\/strong\u003e, particularly cloakrooms and secondary sinks used intermittently throughout the day.\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;\"\u003eUltra-Compact — Fits the Tightest Spaces\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eAt just \u003cstrong\u003e197 × 210 × 117 mm\u003c\/strong\u003e and weighing only \u003cstrong\u003e1.5 kg\u003c\/strong\u003e, the MINI5 is among the smallest instantaneous water heaters available. It mounts easily under a sink, inside a slim vanity unit, or in a cupboard — anywhere with access to a cold-water supply and a 5 kW electrical circuit.\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 Cable — Simple Installation\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eThe MINI5 ships with a \u003cstrong\u003epre-fitted electrical cable\u003c\/strong\u003e ready for connection to a \u003cstrong\u003ededicated fused spur\u003c\/strong\u003e. Water connections are \u003cstrong\u003e½\" male BSP\u003c\/strong\u003e, compatible with standard UK plumbing. The unit is \u003cstrong\u003erust-free\u003c\/strong\u003e with a \u003cstrong\u003eshockproof casing\u003c\/strong\u003e, requiring minimal installation effort and long-term maintenance.\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;\"\u003eAdjustable Temperature Control\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eAn \u003cstrong\u003eadjustable thermostat\u003c\/strong\u003e allows the user to set outlet temperature to preference. The unit operates across a \u003cstrong\u003esupply pressure range of 0.8–6 bar\u003c\/strong\u003e and requires a \u003cstrong\u003eminimum flow rate of 2 litres per minute\u003c\/strong\u003e to activate — compatible with standard UK mains and boosted low-pressure supplies above the minimum threshold.\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;\"\u003eIdeal Where Storage Is Impractical\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eThe MINI5 is particularly well suited to: \u003cstrong\u003ecloakroom washbasins\u003c\/strong\u003e added to an existing property; \u003cstrong\u003eoffices and commercial premises\u003c\/strong\u003e with hand-wash sinks remote from the main hot water system; \u003cstrong\u003eoutbuildings, garden rooms, and annexes\u003c\/strong\u003e; and \u003cstrong\u003eaccessible toilet refits\u003c\/strong\u003e where a compliant hot water supply is needed without pipework runs from a distant cylinder.\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;\"\u003eFerroli Quality — 2-Year Warranty\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eManufactured to \u003cstrong\u003eFerroli's quality standards\u003c\/strong\u003e, established since 1955, the MINI5 carries a \u003cstrong\u003e2-year warranty\u003c\/strong\u003e. The rust-free, shockproof construction is designed for longevity in confined under-sink environments. Ferroli UK technical support is available on \u003cstrong\u003e0330 205 0005\u003c\/strong\u003e.\u003c\/p\u003e\n    \u003c\/div\u003e\n\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:32px;\"\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;\"\u003eMINI5 Specification\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\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003eInstantaneous (tankless) — no storage vessel\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\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e5 kW @ 220–240 V \/ 50–60 Hz AC\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\u003eDimensions H × W × D\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e197 × 210 × 117 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\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e1.5 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\u003eWater connections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e½\" male 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\u003eMin. water flow rate to activate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e2 litres\/min\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\u003eOperating pressure min\/max\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e0.8 bar \/ 6 bar\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\u003eBuilt-in electrical cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003eYes (plug not included)\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 adjustment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003eYes — adjustable thermostat\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\u003eCasing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003eRust-free \/ shockproof\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\u003eG3 accreditation required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003eNo\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\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #c8e6e3;text-align:center;\"\u003e2 years\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;\"\u003eDoes the MINI5 need a G3 competent installer?\u003c\/summary\u003e\n    \u003cdiv style=\"padding:14px 18px;background:#f0faf9;font-size:15px;\"\u003e\n      \u003cstrong\u003eNo\u003c\/strong\u003e — the MINI5 is an instantaneous heater, not an unvented storage cylinder, and does not fall under the G3 Building Regulations requirements. A standard plumber can connect the water supply. However, the \u003cstrong\u003eelectrical connection must be made by a qualified electrician\u003c\/strong\u003e to a dedicated fused spur circuit rated for 5 kW, in line with current IET Wiring Regulations.\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;\"\u003eWill the MINI5 work on a low-pressure supply?\u003c\/summary\u003e\n    \u003cdiv style=\"padding:14px 18px;background:#f0faf9;font-size:15px;\"\u003e\n      The MINI5 requires a \u003cstrong\u003eminimum supply pressure of 0.8 bar\u003c\/strong\u003e and a \u003cstrong\u003eminimum flow rate of 2 litres per minute\u003c\/strong\u003e to activate the heating element. Supplies above these thresholds — including boosted gravity-fed systems — are compatible. Below 0.8 bar, the unit may not activate. If your supply pressure is uncertain, confirm it before installing.\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 MINI5 supply a shower?\u003c\/summary\u003e\n    \u003cdiv style=\"padding:14px 18px;background:#f0faf9;font-size:15px;\"\u003e\n      \u003cstrong\u003eNo\u003c\/strong\u003e — at 5 kW, the MINI5 is designed for \u003cstrong\u003esingle-point hand-washing use\u003c\/strong\u003e only. A shower typically requires 8–10 kW minimum for an electric instantaneous supply. The MINI5's output temperature drops significantly at higher flow rates; it is not suitable for shower or bath applications. For shower use, please see dedicated electric shower products rated at 8 kW or above.\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 circuit does the MINI5 require?\u003c\/summary\u003e\n    \u003cdiv style=\"padding:14px 18px;background:#f0faf9;font-size:15px;\"\u003e\n      The MINI5 draws \u003cstrong\u003e5 kW at 220–240 V\u003c\/strong\u003e, equating to approximately \u003cstrong\u003e21–23 A\u003c\/strong\u003e. It requires a \u003cstrong\u003ededicated fused spur\u003c\/strong\u003e on a circuit rated for this load — typically protected by a \u003cstrong\u003e25 A or 32 A MCB\u003c\/strong\u003e depending on cable sizing and run length. Your electrician will confirm the correct circuit protection. The unit ships with a built-in cable; a plug is not included.\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"Ferroli","offers":[{"title":"Default Title","offer_id":64671144968541,"sku":"FUS55S","price":90.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/FerroliMINI55kWInstantaneousUnder-SinkElectricWaterHeaterFUS55S.webp?v=1778592522","url":"https:\/\/qualityheating.co.uk\/products\/ferroli-mini5-5kw-instantaneous-under-sink-electric-water-heater","provider":"AIZO Quality Heating","version":"1.0","type":"link"}