{"product_id":"ademco-inc-ct30a1005-e1-heat-only-thermostat","title":"Ademco Inc CT30A1005\/E1 Heat Only Thermostat","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ADEMCO INC CT30A1005\/E1 is a mechanical heat-only thermostat designed for simple, low-maintenance temperature control in residential heating applications. It uses a bi-metal temperature sensor paired with a snap-action switch to provide reliable on\/off control without electronic components or programming. The mercury-free design meets modern environmental standards. A decorative back plate is included for a clean wall finish. This thermostat is intended for installation by HVAC technicians or qualified service professionals on conventional heating systems only.\u003c\/p\u003e\u003cp\u003eThe CT30A1005\/E1 is suited for residential spaces where a no-frills heat-only control solution is required. Its straightforward mechanical operation makes it a practical replacement or upgrade in single-stage heating systems such as gas furnaces, boilers, and electric baseboard systems that do not use a heat pump configuration. The economy design is appropriate for rental properties, light commercial spaces, or any installation where simplicity and reliability take priority over programmable features.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBi-metal temperature sensor provides reliable mechanical temperature response without electronics\u003c\/li\u003e\n\u003cli\u003eSnap-action switch delivers clean, consistent switching for single-stage heating control\u003c\/li\u003e\n\u003cli\u003eMercury-free construction meets current environmental compliance standards\u003c\/li\u003e\n\u003cli\u003eDecorative back plate included for finished wall appearance\u003c\/li\u003e\n\u003cli\u003eHeat-only operation — not compatible with heat pump systems\u003c\/li\u003e\n\u003cli\u003eEconomy design reduces complexity and potential failure points\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement for conventional single-stage heat-only heating systems. Not compatible with heat pump systems.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed HVAC technician. Power down the heating system at the breaker or disconnect before removing the existing thermostat or making any wiring connections. Low-voltage wiring connections must comply with local codes and NEC guidelines. Do not install on heat pump systems, as this thermostat does not support heat pump operation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 2.25 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Sensor Type\u003c\/strong\u003e: Bi-Metal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch Type\u003c\/strong\u003e: Snap Action\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMercury Free\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 3 per package\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: EA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ADEMCO INC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: CT30A1005\/E1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RESIDEO","offers":[{"title":"Default Title","offer_id":51524379967794,"sku":"CT30A1005\/E1","price":59.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/90c2955292056e550394aa7bf79a5e1f.jpg?v=1785447531","url":"https:\/\/voomisupply.com\/products\/ademco-inc-ct30a1005-e1-heat-only-thermostat","provider":"Voomi Supply","version":"1.0","type":"link"}