{"product_id":"drayton-trv4-balancing-key-and-gland-seal-kit-1x-key-2x-seals-07-35-009","title":"Drayton TRV4 Balancing Key and Gland Seal Kit (1x Key \u0026 2x Seals) - 07 35 009","description":"\u003c!-- SEO Product Name: Drayton TRV4 Balancing Key and Gland Seal Kit (1x Key \u0026 2x Seals) - 07 35 009 --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; color:#2B2B2B; line-height:1.6; font-family:Arial, Helvetica, sans-serif;\"\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThe \u003cstrong\u003eDrayton TRV4 Balancing Key and Gland Seal Kit\u003c\/strong\u003e (MPN \u003cstrong\u003e07 35 009\u003c\/strong\u003e) is a dual-purpose servicing tool for the TRV4 range, combining a presetting key for balancing radiator flow rates with a pair of \u003cstrong\u003ereplacement gland seals\u003c\/strong\u003e for routine maintenance.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThe key is used to adjust the \u003cstrong\u003epresetting function\u003c\/strong\u003e built into TRV4 two-pipe valve bodies, letting an installer balance a radiator's flow rate directly from the TRV rather than relying solely on the lockshield at the far end. The same key is also used to \u003cstrong\u003eremove and replace a worn gland seal\u003c\/strong\u003e in the valve body, extending the working life of the valve without needing to replace the whole unit.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:20px -4px 24px -4px;\"\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:19px; font-weight:700; line-height:1.2;\"\u003e1\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:500; margin-top:4px; opacity:0.92;\"\u003eBalancing Key\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:19px; font-weight:700; line-height:1.2;\"\u003e2\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:500; margin-top:4px; opacity:0.92;\"\u003eGland Seals\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:19px; font-weight:700; line-height:1.2;\"\u003eDual-Purpose\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:500; margin-top:4px; opacity:0.92;\"\u003eTool Function\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:19px; font-weight:700; line-height:1.2;\"\u003eTRV4\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:500; margin-top:4px; opacity:0.92;\"\u003eCompatible Range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:19px; font-weight:700; line-height:1.2;\"\u003e07 35 009\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:500; margin-top:4px; opacity:0.92;\"\u003eMPN\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:19px; font-weight:700; line-height:1.2;\"\u003eOn-Site\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:500; margin-top:4px; opacity:0.92;\"\u003eServicing Tool\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#E6F4F3; border-left:4px solid #008377CF; border-radius:0 8px 8px 0; padding:14px 18px; margin:0 0 20px 0;\"\u003e\u003cp style=\"margin:0; font-size:15px; line-height:1.6; color:#2B2B2B;\"\u003e\u003cstrong\u003eℹ Good to Know:\u003c\/strong\u003e A \u003cstrong\u003efree Drayton balancing key\u003c\/strong\u003e is also available by joining The Drayton Community Facebook group and completing the balancing key request form, as an alternative to purchasing this kit.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:0 -6px 24px -6px;\"\u003e\n\u003cdiv style=\"background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; flex:1 1 260px; margin:6px;\"\u003e\n\u003cdiv style=\"font-size:15px; font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eAccurate Flow Balancing\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#2B2B2B;\"\u003eBalancing system flow rates \u003cstrong\u003efrom the TRV itself\u003c\/strong\u003e is more reliable and accurate than balancing solely via the lockshield, and the setting is \u003cstrong\u003epreserved across the system\u003c\/strong\u003e once set.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; flex:1 1 260px; margin:6px;\"\u003e\n\u003cdiv style=\"font-size:15px; font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eNo Risk of Balancing Being Undone\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#2B2B2B;\"\u003eBecause the presetting sits inside the valve body rather than an externally visible lockshield, there's \u003cstrong\u003eno risk of the balancing setting being bumped or turned\u003c\/strong\u003e by accident after commissioning.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; flex:1 1 260px; margin:6px;\"\u003e\n\u003cdiv style=\"font-size:15px; font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eGland Seal Replacement\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#2B2B2B;\"\u003eThe same key is used to \u003cstrong\u003eremove worn gland seals\u003c\/strong\u003e from the TRV4 valve body, allowing the double gland seal to be replaced without draining down the heating system.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; flex:1 1 260px; margin:6px;\"\u003e\n\u003cdiv style=\"font-size:15px; font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eExtends TRV Working Life\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#2B2B2B;\"\u003eReplacing a worn gland seal rather than the whole valve \u003cstrong\u003eextends the working life\u003c\/strong\u003e of the existing TRV4, reducing maintenance cost and disruption.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; flex:1 1 260px; margin:6px;\"\u003e\n\u003cdiv style=\"font-size:15px; font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eCompatible Across the TRV4 Range\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#2B2B2B;\"\u003eWorks with TRV4 \u003cstrong\u003eClassic, Chrome, White and Anthracite\u003c\/strong\u003e two-pipe valve bodies that include the presetting facility.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; flex:1 1 260px; margin:6px;\"\u003e\n\u003cdiv style=\"font-size:15px; font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eComplete Kit\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#2B2B2B;\"\u003eSupplied as \u003cstrong\u003e1x balancing key and 2x replacement gland seals\u003c\/strong\u003e in a single pack, covering both a balancing job and a subsequent seal replacement.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 24px 0;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:9px 14px; font-size:13px; letter-spacing:0.04em; text-transform:uppercase; border-radius:6px 6px 0 0;\"\u003eGeneral\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden;\"\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; padding:9px 14px; font-weight:600; color:#2B2B2B;\"\u003eMPN\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e07 35 009\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; padding:9px 14px; font-weight:600; color:#2B2B2B;\"\u003eProduct type\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003eBalancing key and gland seal kit\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; padding:9px 14px; font-weight:600; color:#2B2B2B;\"\u003ePack contents\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e1x Drayton balancing key, 2x replacement gland seals\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:1 1 220px; padding:9px 14px; font-weight:600; color:#2B2B2B;\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003eDrayton TRV4 range with presetting facility\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; \"\u003e\n\u003cdiv style=\"flex:1 1 220px; padding:9px 14px; font-weight:600; color:#2B2B2B;\"\u003eUses\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003eBalancing radiator flow rate from the TRV; removing and replacing worn gland seals\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"height:14px;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 8px 0;\"\u003e\n\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:13px 18px; font-size:15px; font-weight:700; cursor:pointer; list-style:none;\"\u003eWhat is the balancing key used for?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:14px; line-height:1.65; color:#2B2B2B; background:#ffffff;\"\u003eIt's used to \u003cstrong\u003eadjust the presetting function\u003c\/strong\u003e inside a TRV4 two-pipe valve body, allowing the installer to balance the flow rate to a radiator directly from the TRV during system commissioning.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:13px 18px; font-size:15px; font-weight:700; cursor:pointer; list-style:none;\"\u003eCan the key also be used to replace a gland seal?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:14px; line-height:1.65; color:#2B2B2B; background:#ffffff;\"\u003eYes — it's a \u003cstrong\u003edual-purpose tool\u003c\/strong\u003e also used to remove a worn gland seal from the valve body, and this kit includes \u003cstrong\u003e2x replacement gland seals\u003c\/strong\u003e for that job.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:13px 18px; font-size:15px; font-weight:700; cursor:pointer; list-style:none;\"\u003eWhy balance from the TRV instead of the lockshield?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:14px; line-height:1.65; color:#2B2B2B; background:#ffffff;\"\u003eBalancing via the TRV's presetting facility is \u003cstrong\u003ereliable and accurate\u003c\/strong\u003e, and the setting is preserved across the system with \u003cstrong\u003eno risk of it being undone\u003c\/strong\u003e by an accidentally bumped or turned lockshield.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:13px 18px; font-size:15px; font-weight:700; cursor:pointer; list-style:none;\"\u003eIs the balancing key available for free?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:14px; line-height:1.65; color:#2B2B2B; background:#ffffff;\"\u003eA free balancing key is available by joining \u003cstrong\u003eThe Drayton Community\u003c\/strong\u003e Facebook group and completing the balancing key request form, as an alternative to purchasing this kit.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:13px 18px; font-size:15px; font-weight:700; cursor:pointer; list-style:none;\"\u003eWhich TRV4 valves is this compatible with?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:14px; line-height:1.65; color:#2B2B2B; background:#ffffff;\"\u003eIt's compatible with \u003cstrong\u003eTRV4 two-pipe valve bodies\u003c\/strong\u003e across the Classic, Chrome, White and Anthracite finishes that include the presetting facility.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Drayton Controls","offers":[{"title":"Default Title","offer_id":65797286527325,"sku":"0735009","price":23.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/DraytonTRV4BalancingKeyandGlandSealKit_1xKey_2xSeals.jpg?v=1788418666","url":"https:\/\/qualityheating.co.uk\/products\/drayton-trv4-balancing-key-and-gland-seal-kit-1x-key-2x-seals-07-35-009","provider":"AIZO Quality Heating","version":"1.0","type":"link"}