{"product_id":"resideo-th401-u-line-voltage-non-programmable-thermostat","title":"Resideo th401\/u Line Voltage Non-programmable Thermostat","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe RESIDEO th401\/u is a line voltage, digital, non-programmable thermostat designed for direct control of electric heating systems. It operates on 120, 208, or 240 VAC and uses an SPST TRIAC switch with a thermistor sensor for accurate temperature sensing. The vertical-mount, white housing suits standard wall-box installations. Licensed electricians typically handle line voltage thermostat replacements due to the high-voltage wiring involved. This unit is well suited for residential and light commercial electric heating applications where simple, reliable on\/off control is the priority.\u003c\/p\u003e\n\u003cp\u003eThe th401\/u is rated for use with baseboard heaters, radiant ceiling systems, convectors, fan-forced heaters, and general electric heating loads. Its multi-voltage compatibility — 120, 208, and 240 VAC — makes it flexible across different circuit configurations common in North American electric heating installations. The vertical mounting orientation fits standard single-gang wall boxes. CAN\/CSA-C828-06 approval confirms suitability for both U.S. and Canadian installations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eMulti-voltage rated: 120, 208, and 240 VAC in a single unit\u003c\/li\u003e\n  \u003cli\u003eSPST TRIAC switch for quiet, relay-free switching of electric heating loads\u003c\/li\u003e\n  \u003cli\u003eThermistor-based temperature sensing for accurate, responsive control\u003c\/li\u003e\n  \u003cli\u003eNon-programmable digital interface — simple setpoint operation with no scheduling complexity\u003c\/li\u003e\n  \u003cli\u003eVertical mount design fits standard single-gang wall boxes\u003c\/li\u003e\n  \u003cli\u003eCAN\/CSA-C828-06 listed for U.S. and Canadian use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with baseboard heaters, radiant ceiling systems, convectors, fan-forced heaters, and other line voltage electric heating loads operating at 120, 208, or 240 VAC.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eLine voltage thermostat installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. Always shut off power at the circuit breaker and verify the circuit is de-energized with a non-contact voltage tester before disconnecting or connecting wiring. Do not apply low-voltage wiring practices or control wiring to this line voltage device. Confirm supply voltage matches one of the rated values — 120, 208, or 240 VAC — before energizing the circuit.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: TH401\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e: 120\/208\/240 VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitch Type\u003c\/strong\u003e: SPST TRIAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type\u003c\/strong\u003e: Thermistor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Type\u003c\/strong\u003e: Vertical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: CAN\/CSA-C828-06\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Baseboard Heater, Radiant Ceiling, Convector, Fan-Forced Heater, Electric Heating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: RESIDEO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: th401\/u\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RESIDEO","offers":[{"title":"Default Title","offer_id":51468218401074,"sku":"TH401\/U","price":70.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/313945186.jpg?v=1783914813","url":"https:\/\/voomisupply.com\/products\/resideo-th401-u-line-voltage-non-programmable-thermostat","provider":"Voomi Supply","version":"1.0","type":"link"}