{"product_id":"t501ml4-pro1-t500-line-voltage-heat-only-thermostat","title":"T501ML4 PRO1 T500 Line-Voltage Heat-Only Thermostat","description":"\u003ch2\u003eT501ML4 PRO1 T500 Line-Voltage Heat-Only Thermostat\u003c\/h2\u003e\u003cp\u003eReplace a compatible line-voltage thermostat used for direct electric heat control. Confirm the complete equipment model, system type, heating and cooling stages, power or voltage, terminal labels, auxiliary\/emergency heat requirements, and wiring before ordering. A similar-looking thermostat is not proof of compatibility; some systems require a common wire, adapter, or approved control.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU \/ part number\u003c\/th\u003e\n\u003ctd\u003eT501ML4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eLine-voltage mechanical thermostat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003ePRO1 T500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003eLine voltage; 4-wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eElectric heat-only systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCatalog description\u003c\/th\u003e\n\u003ctd\u003eNon-programmable, 4-wire line-voltage thermostat for heat-only control.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eInstallation and safety:\u003c\/strong\u003e Turn off power at the HVAC disconnect or breaker before removing the existing thermostat. Label each wire, follow the equipment and thermostat instructions, and use a qualified HVAC technician when system voltage or wiring is uncertain.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to find your model number:\u003c\/strong\u003e Read the thermostat model number on the front, behind the faceplate, or inside the sub-base. Also photograph the terminal wiring and locate the furnace, air-handler, or heat-pump model label. Verify the complete equipment and thermostat details before ordering.\u003c\/p\u003e","brand":"PRO1","offers":[{"title":"Default Title","offer_id":46266915651763,"sku":"T501ML4","price":39.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.homeownersapplianceparts.com\/products\/t501ml4-pro1-t500-line-voltage-heat-only-thermostat","provider":"Homeowners","version":"1.0","type":"link"}