{"product_id":"vaillant-vrt15-room-thermostat-306777-230v-mechanical-control","title":"Vaillant VRT15 Room Thermostat | 306777 | 230V Mechanical Control","description":"\u003c!-- SEO Product Name: Vaillant VRT 30 Room Thermostat | 300637 | 230V Mechanical Control --\u003e\n\u003cdiv style=\"font-size: 16px; max-width: 900px; margin: 0 auto; font-family: Arial, Helvetica, sans-serif; color: #222; line-height: 1.6;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eVaillant VRT15 Room Thermostat\u003c\/strong\u003e is a straightforward \u003cstrong\u003e230V mechanical room thermostat\u003c\/strong\u003e designed to give reliable temperature control for compatible \u003cstrong\u003eVaillant gas fired wall boilers\u003c\/strong\u003e. Its simple dial control makes it easy for homeowners to set a comfortable room temperature, while installers benefit from a dependable, low maintenance control with a \u003cstrong\u003ebimetallic sensor\u003c\/strong\u003e and clear electrical ratings.\u003c\/p\u003e\n\u003cp\u003eIdeal for replacement or new heating installations, the \u003cstrong\u003eVRT15\u003c\/strong\u003e helps maintain consistent comfort by switching the heating system as room temperature changes. With a \u003cstrong\u003e5-30°C setting range\u003c\/strong\u003e, \u003cstrong\u003eIP30 protection\u003c\/strong\u003e and \u003cstrong\u003eClass II protection\u003c\/strong\u003e when correctly installed, it is a practical choice for domestic central heating systems.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0;\"\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 14px; text-align: center;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; font-size: 20px;\"\u003e\u003cstrong\u003e230V\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px;\"\u003eSupply voltage\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 14px; text-align: center;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; font-size: 20px;\"\u003e\u003cstrong\u003e5-30°C\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px;\"\u003eTemperature range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 14px; text-align: center;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; font-size: 20px;\"\u003e\u003cstrong\u003e6A\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px;\"\u003eMax. contact load\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 14px; text-align: center;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; font-size: 20px;\"\u003e\u003cstrong\u003eIP30\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px;\"\u003eEnclosure protection\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 14px; text-align: center;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; font-size: 20px;\"\u003e\u003cstrong\u003eClass II\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px;\"\u003eProtection class\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 14px; text-align: center;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; font-size: 20px;\"\u003e\u003cstrong\u003e2 Years\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px;\"\u003eManufacturer warranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #d9534f; background: #fdf3f2; padding: 14px 16px; border-radius: 6px; margin: 20px 0;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eImportant installation notice:\u003c\/strong\u003e This room thermostat must be installed by a \u003cstrong\u003ecompetent person\u003c\/strong\u003e. The installer is responsible for fitting it in accordance with the manufacturer’s instructions and all relevant electrical and heating regulations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #f0ad4e; background: #fff9ec; padding: 14px 16px; border-radius: 6px; margin: 20px 0;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e The \u003cstrong\u003eVaillant VRT 30\u003c\/strong\u003e is intended for use with compatible \u003cstrong\u003eVaillant gas fired wall boilers\u003c\/strong\u003e. Always confirm compatibility with the specific boiler and control configuration before ordering or installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #008377CF; background: #f2faf8; padding: 14px 16px; border-radius: 6px; margin: 20px 0;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eUseful information:\u003c\/strong\u003e For accurate temperature sensing, mount the thermostat on an \u003cstrong\u003einsulated, flat and solid wall\u003c\/strong\u003e, away from direct heat sources, draughts and areas affected by direct sunlight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 28px 0 10px; color: #008377cf; font-weight: bold; font-size: 20px;\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 14px;\"\u003e\n\u003cdiv style=\"flex: 1 1 260px; min-width: 260px; border: 1px solid #ddd; border-top: 4px solid #008377CF; border-radius: 8px; padding: 16px;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; margin-bottom: 6px;\"\u003e\u003cstrong\u003eSimple Dial Control\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp style=\"margin: 0;\"\u003eThe easy to use rotary control allows homeowners to adjust the desired room temperature quickly without complicated menus or programming.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; min-width: 260px; border: 1px solid #ddd; border-top: 4px solid #008377CF; border-radius: 8px; padding: 16px;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; margin-bottom: 6px;\"\u003e\u003cstrong\u003eBimetallic Temperature Sensor\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp style=\"margin: 0;\"\u003eA proven \u003cstrong\u003ebimetal sensor\u003c\/strong\u003e monitors room temperature and helps the heating system respond as conditions change.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; min-width: 260px; border: 1px solid #ddd; border-top: 4px solid #008377CF; border-radius: 8px; padding: 16px;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; margin-bottom: 6px;\"\u003e\u003cstrong\u003e230V Operation\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp style=\"margin: 0;\"\u003eOperating at \u003cstrong\u003e230V AC\u003c\/strong\u003e, the VRT 30 is designed for standard mains powered heating control applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; min-width: 260px; border: 1px solid #ddd; border-top: 4px solid #008377CF; border-radius: 8px; padding: 16px;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; margin-bottom: 6px;\"\u003e\u003cstrong\u003eWide Temperature Range\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp style=\"margin: 0;\"\u003eThe \u003cstrong\u003e5-30°C adjustment range\u003c\/strong\u003e provides flexible control for everyday comfort, energy management and different seasonal requirements.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; min-width: 260px; border: 1px solid #ddd; border-top: 4px solid #008377CF; border-radius: 8px; padding: 16px;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; margin-bottom: 6px;\"\u003e\u003cstrong\u003eProtected Enclosure\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp style=\"margin: 0;\"\u003eThe \u003cstrong\u003eIP30 rated enclosure\u003c\/strong\u003e and \u003cstrong\u003eClass II protection\u003c\/strong\u003e support safe, dependable operation when installed correctly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 32px 0 10px; color: #008377cf; font-weight: bold; font-size: 20px;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #008377CF; border-radius: 8px; overflow: hidden;\"\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; padding: 10px 14px; font-weight: bold;\"\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #ffffff;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003eVaillant\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #f7faf9;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003eVRT15\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #ffffff;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003eManufacturer Part Number (MPN)\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cspan\u003e306777\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #f7faf9;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003eProduct type\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003eMechanical room thermostat\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; padding: 10px 14px; font-weight: bold;\"\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #ffffff;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003eSupply voltage\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e230V AC\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #f7faf9;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003eProtection class\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003eClass II, when correctly installed\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; padding: 10px 14px; font-weight: bold;\"\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #ffffff;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003eSensor element\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003eBimetallic\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #f7faf9;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003eTemperature setting range\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e5-30°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #ffffff;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003eSwitching difference\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e1K or less\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #f7faf9;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003ePermissible humidity\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003eUp to 95%, non condensing\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; padding: 10px 14px; font-weight: bold;\"\u003e\u003cstrong\u003eProtection \u0026amp; Warranty\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #ffffff;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003eEnclosure rating\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003eIP30\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #f7faf9;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003eMounting requirement\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003eInsulated, flat and solid wall\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; background: #ffffff;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e\u003cstrong\u003eManufacturer warranty\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px;\"\u003e2 years, subject to manufacturer terms\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 32px 0 10px; color: #008377cf; font-weight: bold; font-size: 20px;\"\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdetails style=\"border: 1px solid #ddd; border-radius: 8px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 14px; font-weight: bold; cursor: pointer;\"\u003e\u003cstrong\u003eWhat is the Vaillant VRT15 used for?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eThe \u003cstrong\u003eVaillant VRT15\u003c\/strong\u003e is a \u003cstrong\u003e230V mechanical room thermostat\u003c\/strong\u003e used to control room temperature in compatible Vaillant gas fired wall boiler installations. It switches the heating system to help maintain the selected comfort level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #ddd; border-radius: 8px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 14px; font-weight: bold; cursor: pointer;\"\u003e\u003cstrong\u003eIs the VRT15 suitable for DIY installation?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eNo. The manufacturer states that the thermostat should be installed by a \u003cstrong\u003ecompetent person\u003c\/strong\u003e. A qualified heating or electrical installer should carry out the work in line with the manufacturer’s instructions and applicable UK regulations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #ddd; border-radius: 8px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 14px; font-weight: bold; cursor: pointer;\"\u003e\u003cstrong\u003eWhat temperature range does it offer?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eThe VRT15 provides a \u003cstrong\u003e5-30°C temperature setting range\u003c\/strong\u003e, giving homeowners practical control over indoor comfort throughout the year.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #ddd; border-radius: 8px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 14px; font-weight: bold; cursor: pointer;\"\u003e\u003cstrong\u003eWhere should the thermostat be fitted?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eIt should be mounted on an \u003cstrong\u003einsulated, flat and solid wall\u003c\/strong\u003e. Avoid locations affected by draughts, direct sunlight, heat sources or poor air circulation, as these can affect temperature sensing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #ddd; border-radius: 8px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 14px; font-weight: bold; cursor: pointer;\"\u003e\u003cstrong\u003eDoes the VRT15 include a programmer?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eNo. The \u003cstrong\u003eVRT15 is a mechanical room thermostat\u003c\/strong\u003e, not a programmable timer. It provides manual temperature control rather than scheduled heating periods.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":67655688716678,"sku":"306777","price":29.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/Vaillant_VRT15_Room_Thermostat_1.jpg?v=1792416170","url":"https:\/\/qualityheating.co.uk\/products\/vaillant-vrt15-room-thermostat-306777-230v-mechanical-control","provider":"AIZO Quality Heating","version":"1.0","type":"link"}