{"product_id":"braemar-overtemp-switch-130-deg-manual-flame-roll-out-sygh-266","title":"Braemar Overtemp Switch 130 Deg Manual Flame Roll Out","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThis Braemar overtemp switch is a vital safety component for ducted gas heating systems, engineered to protect against overheating and potential flame roll-out. It’s a manual reset type, meaning once it trips, the fault needs addressing before it can be reset and the heater restarted.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eWorking on gas heating in an Australian summer often means dealing with tight, hot roof spaces. Having reliable safety switches that you can trust to do their job is non-negotiable for system longevity and homeowner safety.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eBest For\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eHVAC techs, gas fitters, and maintenance teams working on Braemar ducted gas heating systems.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThis overtemp switch is designed specifically for Braemar ducted gas heaters and similar systems that require a 130-degree manual reset. It also cross-references as Seeley part number GH-266, so check your system's manual if you're working on Seeley units. If you're running a different model, check fittings and specs before ordering.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eFeatures\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eGenuine Braemar part or a high-quality compatible replacement.\u003c\/li\u003e\n\u003cli\u003e130 Deg (Celsius) temperature rating for critical overheat protection.\u003c\/li\u003e\n\u003cli\u003eManual reset function, ensuring an authorised person checks the fault before restarting.\u003c\/li\u003e\n\u003cli\u003eSpecifically designed to detect flame roll-out conditions for enhanced safety.\u003c\/li\u003e\n\u003cli\u003eCross-referenced as Seeley Part Number GH-266.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 16px; margin-bottom: 20px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eTemperature Rating\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e130°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eReset Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eManual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eManufacturer Part No.\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eGH-266 (Seeley)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\u003cli\u003e1 x Braemar Overtemp Switch 130 Deg Manual Flame Roll Out (SYGH-266)\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eUsing It on the Job\u003c\/h2\u003e\n\u003col style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eIsolate power and gas supply to the heating unit at the main switchboard and gas meter. Use a lockout\/tagout procedure for safety.\u003c\/li\u003e\n\u003cli\u003eLocate the existing overtemp switch, usually found near the heat exchanger or burner assembly on the heater.\u003c\/li\u003e\n\u003cli\u003eDisconnect the wiring and carefully unmount the old switch. Pay attention to its orientation if it's specific.\u003c\/li\u003e\n\u003cli\u003eInstall the new SYGH-266 switch, ensuring it's securely mounted and wiring connections are tight and correct.\u003c\/li\u003e\n\u003cli\u003eRestore power and gas supplies. Test the heating unit's operation, monitoring for proper startup and shutdown.\u003c\/li\u003e\n\u003cli\u003eIf the switch trips, always investigate and rectify the root cause of the overheat before simply resetting it.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eLimitations \u0026amp; Safety Notes\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eThis switch is a safety device; it's not designed to be a primary operating control for the heating system.\u003c\/li\u003e\n\u003cli\u003eInstallation and service of gas heating equipment should only be performed by a competent, licensed gas fitter or HVAC technician.\u003c\/li\u003e\n\u003cli\u003eAlways follow the manufacturer's installation instructions and comply with all local gas regulations and Australian Standards.\u003c\/li\u003e\n\u003cli\u003eEnsure the fault condition (e.g., restricted airflow, dirty heat exchanger) that caused an overheat trip is identified and rectified before attempting to reset the switch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote style=\"border-left: 4px solid #007acc; background-color: #f9f9f9; font-style: italic; padding: 15px; margin: 20px 0;\"\u003eWhen you're swapping one of these, always check the associated fan limit switch and the heat exchanger for blockages. A tripped overtemp switch is a symptom, not the root cause, so don't just reset it without a proper fault-find.\u003c\/blockquote\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003ePair With\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003ePair with other Braemar heating spares, gas valves, and diagnostic tools like digital manometers to keep ducted gas heaters running safely and efficiently.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Automated FAQ Schema --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What temperature does this overtemp switch activate at?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Braemar SYGH-266 overtemp switch is rated to activate at 130 degrees Celsius (130\u0026deg;C). It functions as a critical safety limit to prevent overheating.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this a manual or automatic reset switch?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This is a manual reset overtemp switch. After it trips due to an overheat condition, the underlying fault must be diagnosed and rectified, then the switch manually reset to restore operation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What heating systems is this switch typically compatible with?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This switch is primarily designed for Braemar ducted gas heaters and similar systems that require a 130-degree manual reset. It is also cross-referenced as Seeley part number GH-266.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Braemar","offers":[{"title":"Default Title","offer_id":43660724830267,"sku":"SYGH-266","price":34.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0316\/7787\/4235\/files\/719_GH-266_1W_500x500_31162582-db9f-40eb-a38e-0b8152e942d4.png?v=1781670448","url":"https:\/\/www.hvacshop.com.au\/products\/braemar-overtemp-switch-130-deg-manual-flame-roll-out-sygh-266","provider":"HVAC Supply Shop","version":"1.0","type":"link"}