{"product_id":"copeland-comfort-control-white-rodgers-37c73u-173-valve","title":"Copeland Comfort Control (White Rodgers) 37C73U-173 Valve","description":"\u003cp\u003eThe \u003cstrong\u003eCopeland Comfort Control (White Rodgers) 37C73U-173\u003c\/strong\u003e is a \u003cstrong\u003euniversal gas water heater valve\u003c\/strong\u003e designed for \u003cstrong\u003enatural gas\u003c\/strong\u003e applications, providing a reliable field replacement for various OEM controls. This \u003cstrong\u003edirect-acting thermostatic valve\u003c\/strong\u003e features a precise temperature adjustment range from \u003cstrong\u003e70°F to 160°F\u003c\/strong\u003e (21°C to 71°C) and utilizes a 1.25-inch shank for standard tank installation. Engineered with a built-in \u003cstrong\u003eECO (Energy Cut-Off)\u003c\/strong\u003e and a regulated pilot flow, it ensures consistent burner performance and thermal safety. The unit incorporates a \u003cstrong\u003ethermopile-powered gas control\u003c\/strong\u003e system, eliminating the need for external electricity by utilizing a millivolt signal. For contractors, the \u003cstrong\u003eCopeland Comfort Control (White Rodgers)\u003c\/strong\u003e\u003cstrong\u003e 37C\u003c\/strong\u003e series facilitates faster service calls due to its standardized 1\/2-inch NPT inlet and outlet connections and consistent \u003cstrong\u003e1.25sk mounting\u003c\/strong\u003e specification. This \u003cstrong\u003egas control valve\u003c\/strong\u003e is a robust choice for maintaining specific water temperatures while providing dependable pilot ignition and main burner regulation in residential tanks.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Replaces common \u003cstrong\u003eCopeland Comfort Control (White Rodgers)\u003c\/strong\u003e\u003cstrong\u003e 37C\u003c\/strong\u003e and competitive models used in standard natural gas tanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Accuracy Sensing:\u003c\/strong\u003e Integrated \u003cstrong\u003eimmersion sensor\u003c\/strong\u003e ensures responsive temperature regulation and prevents overheating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor-Grade Durability:\u003c\/strong\u003e Solid body construction with a multi-position knob for \u003cstrong\u003eOff-Pilot-On\u003c\/strong\u003e settings and precise setpoints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-Powered Operation:\u003c\/strong\u003e Works via \u003cstrong\u003emillivolt thermopile\u003c\/strong\u003e generated power, ensuring functionality during power outages.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I troubleshoot a pilot that will not stay lit on the 37C73U-173?\u003c\/strong\u003e\u003cbr\u003eVerify the \u003cstrong\u003ethermopile\u003c\/strong\u003e is generating at least 325-750 millivolts and check for proper \u003cstrong\u003epilot gas pressure\u003c\/strong\u003e. Ensure the ECO connection is secure and not tripped.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this valve be used for LP (Liquid Propane) conversions?\u003c\/strong\u003e\u003cbr\u003eNo, this specific model is calibrated for \u003cstrong\u003enatural gas\u003c\/strong\u003e only. Mixing fuel types can lead to hazardous operating conditions and burner failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the 1.25sk shank length?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003e1.25-inch shank\u003c\/strong\u003e is the insertion depth for the temperature sensing probe into the water tank, standard for most residential 30 to 50-gallon water heaters.\u003c\/p\u003e\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Copeland Comfort Control (White Rodgers)","offers":[{"title":"Default Title","offer_id":35648234060,"sku":"37C73U-173","price":165.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/products\/1_40fb30bc-6f0e-4c93-a284-74d95fff1826.jpg?v=1657918756","url":"https:\/\/www.gsistore.com\/products\/copeland-comfort-control-white-rodgers-37c73u-173-valve","provider":"GSIstore","version":"1.0","type":"link"}