{"product_id":"drayton-trv4-chrome-15mm-straight-trv-with-integral-head-07-05-151c","title":"Drayton TRV4 Chrome 15mm Straight TRV with Integral Head - 07 05 151C","description":"\u003c!-- SEO Product Name: Drayton TRV4 Chrome 15mm Straight TRV with Integral Head - 07 05 151C --\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 Chrome 15mm Straight TRV\u003c\/strong\u003e (MPN \u003cstrong\u003e07 05 151C\u003c\/strong\u003e) is a complete thermostatic radiator valve with an \u003cstrong\u003eintegral chrome sensing head\u003c\/strong\u003e pre-fitted to a 15mm straight valve body — boxed as a single, ready-to-fit unit. It's a self-operating valve that regulates the flow of hot water to a radiator to control room temperature, and is well suited to \u003cstrong\u003eexposed pipework and heated towel rails\u003c\/strong\u003e where a matching all-chrome finish is wanted at the valve end.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eAs a straight-body version, it's intended for radiator connections where the pipework runs directly in line with the valve, rather than at 90°. It carries the same internal performance as the rest of the TRV4 Classic and Chrome range, including \u003cstrong\u003enon-stick valve internals\u003c\/strong\u003e, a \u003cstrong\u003edouble gland seal\u003c\/strong\u003e, and \u003cstrong\u003epre-setting\u003c\/strong\u003e to balance the radiator through the TRV itself.\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;\"\u003e10°C–30°C\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:500; margin-top:4px; opacity:0.92;\"\u003eSetting 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;\"\u003e15mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:500; margin-top:4px; opacity:0.92;\"\u003eValve Size\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;\"\u003eStraight\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:500; margin-top:4px; opacity:0.92;\"\u003eBody Style\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;\"\u003e10 bar\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:500; margin-top:4px; opacity:0.92;\"\u003eMax Static Pressure\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;\"\u003e110°C\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:500; margin-top:4px; opacity:0.92;\"\u003eMax Flow Temperature\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;\"\u003eEN 215\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:500; margin-top:4px; opacity:0.92;\"\u003eApproval\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 This is a \u003cstrong\u003ecomplete boxed unit\u003c\/strong\u003e — the chrome sensing head is already fitted to the 15mm straight valve body. No lockshield is included; for a matched pack with a chrome lockshield, see the TRV4 Chrome 15mm straight with matching lockshield (07 05 175).\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;\"\u003eAll-Chrome Integral Head\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#2B2B2B;\"\u003eThe chrome liquid-filled sensing head is \u003cstrong\u003epre-fitted\u003c\/strong\u003e to the valve body, giving a coordinated chrome finish at the radiator without separate assembly on site.\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;\"\u003eNon-Stick Valve Internals\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#2B2B2B;\"\u003eValve internals are specially formulated to \u003cstrong\u003eresist limescale build-up\u003c\/strong\u003e, helping the valve continue to open and close freely over years of service.\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;\"\u003eDouble Gland Seal\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#2B2B2B;\"\u003eA \u003cstrong\u003edouble gland seal\u003c\/strong\u003e protects against water leakage, with a top seal that allows the sensing head to be removed for servicing \u003cstrong\u003ewithout draining down the system\u003c\/strong\u003e.\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;\"\u003ePre-Setting Balancing\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#2B2B2B;\"\u003eTwo-pipe TRV4 bodies include a \u003cstrong\u003epre-setting facility\u003c\/strong\u003e, allowing the installer to balance the radiator's flow rate directly from the valve during 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;\"\u003eFrost Protection Setting\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#2B2B2B;\"\u003eA marked \u003cstrong\u003efrost protection position\u003c\/strong\u003e automatically opens the valve when the room temperature falls below approximately \u003cstrong\u003e8°C\u003c\/strong\u003e.\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;\"\u003eRange Limiting Function\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#2B2B2B;\"\u003eA removable tubular pin lets installers \u003cstrong\u003erestrict the maximum setting\u003c\/strong\u003e, preventing the valve being turned up beyond a chosen number.\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 05 151C\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;\"\u003eThermostatic radiator valve with integral head\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;\"\u003eFinish\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003eChrome\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;\"\u003eBody style\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003eStraight\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;\"\u003eValve size\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e15mm\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;\"\u003eConnection\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003eCompression fitting to BS EN 1254-2, 1\/2\" BSP threaded radiator connection\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;\"\u003eMaterials\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003eSensing head: chrome-plated brass and plastic bezel. Valve body: chrome-plated brass\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; \"\u003e\n\u003cdiv style=\"flex:1 1 220px; padding:9px 14px; font-weight:600; color:#2B2B2B;\"\u003eApproval\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003eEN 215\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"height:14px;\"\u003e\u003c\/div\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;\"\u003ePerformance\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;\"\u003eTemperature setting range\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e10°C to 30°C (integral sensor)\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;\"\u003eSetting numbers\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e1 to 5, then MAX\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;\"\u003eFrost protection\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003eBelow approximately 8°C, marked *\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;\"\u003eSensitivity\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e0.2mm\/°C\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;\"\u003eHysteresis\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e0.4 K\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;\"\u003eResponse time\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e20 minutes\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;\"\u003eMaximum sensor temperature\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e50°C\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;\"\u003eMaximum test pressure\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e20 bar\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;\"\u003eMaximum flow temperature\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e110°C\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;\"\u003eMaximum static pressure\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e10 bar at 65°C, 6 bar at 110°C (compression fitting bodies)\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;\"\u003eMaximum differential pressure\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e1 bar, to ensure valve closure\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; \"\u003e\n\u003cdiv style=\"flex:1 1 220px; padding:9px 14px; font-weight:600; color:#2B2B2B;\"\u003eMaximum recommended differential pressure\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 300px; padding:9px 14px; color:#2B2B2B;\"\u003e0.2 bar, for low-noise operation\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;\"\u003eDoes this come with a lockshield valve?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:14px; line-height:1.65; color:#2B2B2B; background:#ffffff;\"\u003eNo, this MPN (07 05 151C) is the \u003cstrong\u003eTRV only\u003c\/strong\u003e, boxed as a complete unit with the chrome sensing head pre-fitted. A lockshield is fitted separately at the opposite end of the radiator and is sold separately, or as part of a matching valve pack such as 07 05 175.\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 this be fitted with the head horizontal or vertical?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:14px; line-height:1.65; color:#2B2B2B; background:#ffffff;\"\u003eYes, the \u003cstrong\u003esensing head can be rotated\u003c\/strong\u003e to suit either a vertical or horizontal position, and to suit left- or right-hand applications.\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;\"\u003eWhat should I do before commissioning the heating system?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:14px; line-height:1.65; color:#2B2B2B; background:#ffffff;\"\u003eFollowing installation, the heating system should be \u003cstrong\u003ethoroughly flushed in accordance with BS7593\u003c\/strong\u003e to remove traces of mineral oil. Formulations containing mineral oil must not subsequently be added to the system.\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;\"\u003eHow do I limit the maximum temperature setting?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:14px; line-height:1.65; color:#2B2B2B; background:#ffffff;\"\u003eRemove the sensor from the valve body, set it to the frost symbol, then \u003cstrong\u003ereposition the removable tubular pin\u003c\/strong\u003e to the hole corresponding to the desired maximum scale number.\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;\"\u003eWhat is the maximum tightening torque for the ring nut?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:14px; line-height:1.65; color:#2B2B2B; background:#ffffff;\"\u003eDo not overtighten — the \u003cstrong\u003emaximum tightening torque is 30 Nm\u003c\/strong\u003e.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Drayton Controls","offers":[{"title":"Default Title","offer_id":65797275484509,"sku":"0705151C","price":49.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/DraytonTRV4Chrome15mmStraightTRVWithIntegralHead.jpg?v=1788418484","url":"https:\/\/qualityheating.co.uk\/products\/drayton-trv4-chrome-15mm-straight-trv-with-integral-head-07-05-151c","provider":"AIZO Quality Heating","version":"1.0","type":"link"}