{"product_id":"drayton-trv4-classic-15mm-white-chrome-angled-trv-lockshield-valve-pack","title":"Drayton TRV4 Classic 15mm White Chrome Angled TRV Lockshield Valve Pack 07 05 180","description":"\u003c!-- SEO Product Name: Drayton TRV4 Classic 15mm White Chrome Angled TRV Lockshield Valve Pack 07 05 180 --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; font-family:Arial,Helvetica,sans-serif; color:#222; line-height:1.6;\"\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eDrayton TRV4 Classic 15mm Angled TRV \u0026amp; Lockshield Valve Pack (MPN 07 05 180)\u003c\/strong\u003e is the go-to complete valve pair for standard 15mm domestic radiator installations — supplying both a \u003cstrong\u003eTELL Class I-rated TRV4 angled thermostatic radiator valve with integral head\u003c\/strong\u003e and a \u003cstrong\u003ematching chrome angled lockshield valve\u003c\/strong\u003e in a single box. Both valves share the \u003cstrong\u003eTRV4 Classic white and chrome finish\u003c\/strong\u003e, ensuring a co-ordinated appearance. The TRV body includes \u003cstrong\u003ereverse flow capability\u003c\/strong\u003e, \u003cstrong\u003edouble gland seal\u003c\/strong\u003e, and a \u003cstrong\u003epre-setting balancing facility\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#008377CF; border-radius:6px; padding:18px 12px; display:flex; flex-wrap:wrap; justify-content:space-around; margin:18px 0;\"\u003e\n\u003cdiv style=\"text-align:center; padding:0 16px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700; color:#fff;\"\u003eClass I\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; color:#ddf4f2; text-transform:uppercase; letter-spacing:.5px;\"\u003eTELL Efficiency\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center; padding:0 16px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700; color:#fff;\"\u003eComplete Pack\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; color:#ddf4f2; text-transform:uppercase; letter-spacing:.5px;\"\u003eTRV + Lockshield\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center; padding:0 16px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700; color:#fff;\"\u003e15mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; color:#ddf4f2; text-transform:uppercase; letter-spacing:.5px;\"\u003eAngled Pair\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center; padding:0 16px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700; color:#fff;\"\u003eReverse Flow\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; color:#ddf4f2; text-transform:uppercase; letter-spacing:.5px;\"\u003eBody Feature\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center; padding:0 16px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700; color:#fff;\"\u003eEN215\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; color:#ddf4f2; text-transform:uppercase; letter-spacing:.5px;\"\u003eCertified\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border-left:4px solid #c0392b; background:#fff5f5; border-top:1px solid #ffd5d5; border-right:1px solid #ffd5d5; border-bottom:1px solid #ffd5d5; border-radius:0 6px 6px 0; padding:12px 16px; margin:10px 0;\"\u003e\n\u003cstrong style=\"color:#c0392b;\"\u003eSystem Commissioning\u003c\/strong\u003e\u003cbr\u003eFlush the system to \u003cstrong\u003eBS7593\u003c\/strong\u003e and treat with inhibitor before and after installation. Fit a by-pass valve where differential pressure across TRVs may exceed 0.2 bar.\u003c\/div\u003e\n\u003cdiv style=\"border-left:4px solid #008377; background:#f0faf9; border-top:1px solid #b2e0db; border-right:1px solid #b2e0db; border-bottom:1px solid #b2e0db; border-radius:0 6px 6px 0; padding:12px 16px; margin:10px 0;\"\u003e\n\u003cstrong style=\"color:#008377;\"\u003eWhat's In the Pack\u003c\/strong\u003e\u003cbr\u003eOne TRV4 Classic 15mm angled TRV body with integral white\/chrome sensing head, plus one matching 15mm angled chrome lockshield valve — everything needed to connect both ends of a single radiator.\u003c\/div\u003e\n\n\u003cdiv style=\"font-size:18px; font-weight:700; color:#008377; border-bottom:2px solid #008377; padding-bottom:6px; margin:24px 0 12px 0;\"\u003eKey Features\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:14px; margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:220px;\"\u003e\u003cdiv style=\"border:1px solid #e0e0e0; border-radius:8px; padding:16px; background:#fff;\"\u003e\n\u003cdiv style=\"font-size:24px; margin-bottom:8px;\"\u003e📦\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700; color:#008377; border-bottom:2px solid #008377; padding-bottom:4px; margin-bottom:8px;\"\u003eComplete Radiator Pack\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#444;\"\u003eOne pack covers both radiator connections — TRV at the inlet, lockshield at the outlet. No separate sourcing of matching lockshields; both valves share the TRV4 Classic chrome finish.\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:220px;\"\u003e\u003cdiv style=\"border:1px solid #e0e0e0; border-radius:8px; padding:16px; background:#fff;\"\u003e\n\u003cdiv style=\"font-size:24px; margin-bottom:8px;\"\u003e⚖\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700; color:#008377; border-bottom:2px solid #008377; padding-bottom:4px; margin-bottom:8px;\"\u003eDual Balancing Options\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#444;\"\u003eThe TRV body's \u003cstrong\u003eflow-rate adjustment insert\u003c\/strong\u003e provides primary balancing; the lockshield provides fine trim. Use one or both approaches to suit your commissioning workflow.\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:220px;\"\u003e\u003cdiv style=\"border:1px solid #e0e0e0; border-radius:8px; padding:16px; background:#fff;\"\u003e\n\u003cdiv style=\"font-size:24px; margin-bottom:8px;\"\u003e🔁\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700; color:#008377; border-bottom:2px solid #008377; padding-bottom:4px; margin-bottom:8px;\"\u003eReverse Flow Angled Body\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#444;\"\u003eThe 15mm body accepts flow or return installation and vertical or horizontal head orientation — adaptable to practically all standard domestic radiator positions.\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:220px;\"\u003e\u003cdiv style=\"border:1px solid #e0e0e0; border-radius:8px; padding:16px; background:#fff;\"\u003e\n\u003cdiv style=\"font-size:24px; margin-bottom:8px;\"\u003e💧\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700; color:#008377; border-bottom:2px solid #008377; padding-bottom:4px; margin-bottom:8px;\"\u003eDouble Gland Seal\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#444;\"\u003eThe double seal prevents water loss and allows the \u003cstrong\u003esensing head to be removed without draining down\u003c\/strong\u003e — minimising disruption when carrying out head replacements or adjustments.\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:18px 0;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; padding:10px 14px; border-radius:6px 6px 0 0;\"\u003eTechnical Specifications\u003c\/div\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; border:1px solid #d0eeec;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#f4fcfb;\"\u003eMPN\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#f4fcfb;\"\u003e07 05 180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#fff;\"\u003ePack Contents\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#fff;\"\u003e1x 15mm angled TRV4 Classic with integral head + 1x 15mm angled chrome lockshield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#f4fcfb;\"\u003eFinish\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#f4fcfb;\"\u003eClassic White \/ Chrome (TRV head + lockshield)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#fff;\"\u003eConnection\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#fff;\"\u003e15mm compression (BS EN 1254-2); ½\" BSP radiator thread (BS EN 10226)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#f4fcfb;\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#f4fcfb;\"\u003eChrome-plated brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#fff;\"\u003eSetting Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#fff;\"\u003eApprox. 10°C – 30°C (1–5 + MAX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#f4fcfb;\"\u003eFrost Protection\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#f4fcfb;\"\u003eBelow 8°C (marked *)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#fff;\"\u003eMax Flow Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#fff;\"\u003e110°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#f4fcfb;\"\u003eMax Sensor Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#f4fcfb;\"\u003e50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#fff;\"\u003eMax Test Pressure\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#fff;\"\u003e20 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#f4fcfb;\"\u003eMax Static Pressure (compression)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#f4fcfb;\"\u003e10 bar at 65°C; 6 bar at 110°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#fff;\"\u003eRecommended Max Differential Pressure\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#fff;\"\u003e0.2 bar (quiet); 0.6 bar absolute max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#f4fcfb;\"\u003eSensor Sensitivity\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#f4fcfb;\"\u003e0.22 mm\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#fff;\"\u003eHysteresis\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#fff;\"\u003e0.4 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#f4fcfb;\"\u003eEnergy Efficiency Rating\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#f4fcfb;\"\u003eTELL Class I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#fff;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#fff;\"\u003eBS EN 215 \/ Keymark (valid to 31.03.2029)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; width:50%; font-weight:600; background:#f4fcfb;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; background:#f4fcfb;\"\u003eDrayton by Schneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"font-size:18px; font-weight:700; color:#008377; border-bottom:2px solid #008377; padding-bottom:6px; margin:24px 0 12px 0;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdiv style=\"margin:18px 0;\"\u003e\n\u003cdetails style=\"border:1px solid #d0eeec; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#fff; padding:12px 16px; cursor:pointer; font-weight:600; list-style:none;\"\u003eWhat is included in the 07 05 180 pack?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; background:#f9fefe; font-size:15px;\"\u003eThe pack contains: (1) TRV4 Classic 15mm angled thermostatic radiator valve with integral white and chrome sensing head; (1) 15mm angled chrome lockshield valve. 15mm compression fittings are included with both valve bodies.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #d0eeec; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#fff; padding:12px 16px; cursor:pointer; font-weight:600; list-style:none;\"\u003eIs the lockshield an exact colour match to the TRV?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; background:#f9fefe; font-size:15px;\"\u003eYes. The lockshield supplied in this pack has the same chrome finish as the TRV4 Classic body, giving a consistent appearance at both ends of the radiator.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #d0eeec; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#fff; padding:12px 16px; cursor:pointer; font-weight:600; list-style:none;\"\u003eHow does the lockshield help with balancing?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; background:#f9fefe; font-size:15px;\"\u003eThe lockshield restricts flow at the outlet end of the radiator, allowing fine-tuning of the flow rate to each radiator relative to others on the circuit. This ensures all radiators receive the correct flow, preventing some rooms overheating while others remain cold.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #d0eeec; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#fff; padding:12px 16px; cursor:pointer; font-weight:600; list-style:none;\"\u003eIs this pack suitable for all domestic heating systems?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; background:#f9fefe; font-size:15px;\"\u003eYes — the TRV4 is compatible with virtually all two-pipe wet central heating systems including condensing boiler systems, heat pump systems, and combination boiler installations. For UFH or single-pipe systems, different valve types are required.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #d0eeec; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#fff; padding:12px 16px; cursor:pointer; font-weight:600; list-style:none;\"\u003eWhich pack should I choose — white\/chrome (07 05 180), anthracite (07 05 210), or chrome (07 05 174)?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; background:#f9fefe; font-size:15px;\"\u003e07 05 180 (Classic white\/chrome) suits standard white panel radiators. 07 05 210 (Anthracite) suits dark or anthracite designer radiators. 07 05 174 (Full chrome) suits chrome-finish, bathroom, or period-style radiators.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Drayton Controls","offers":[{"title":"Default Title","offer_id":64121900433757,"sku":"TRV4-0705180","price":27.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/d3f8f2af-aa23-4eee-869c-14684ca62f4f.jpg?v=1775648027","url":"https:\/\/qualityheating.co.uk\/products\/drayton-trv4-classic-15mm-white-chrome-angled-trv-lockshield-valve-pack","provider":"AIZO Quality Heating","version":"1.0","type":"link"}