{"product_id":"resideo-ythx9421r508-u-prestige-thermostat-kit","title":"Resideo YTHX9421R508\/U Prestige Thermostat Kit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe RESIDEO YTHX9421R508\/U is a Prestige thermostat kit designed for whole-home comfort control in residential and light commercial HVAC systems. This kit provides the hardware needed to install or replace a Prestige-series programmable thermostat, giving HVAC technicians a complete solution for temperature management and system integration. The YTHX9421R508\/U supports multi-stage heating and cooling configurations and is intended for installation by licensed HVAC professionals familiar with low-voltage control wiring and communicating thermostat systems.\u003c\/p\u003e\n\u003cp\u003eThis kit is suited for residential new-construction and retrofit applications where a high-capability programmable thermostat is specified. It is designed for use with forced-air heating and cooling systems and is a common choice when upgrading older single-stage or non-communicating thermostats to a full-featured Prestige-series control. Installation typically takes place at the thermostat sub-base location on an interior wall, with low-voltage wiring routed from the air handler or furnace control board.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete Prestige thermostat kit includes all components needed for installation\u003c\/li\u003e\n  \u003cli\u003eSupports multi-stage heating and cooling HVAC systems\u003c\/li\u003e\n  \u003cli\u003eDesigned for low-voltage thermostat wiring configurations\u003c\/li\u003e\n  \u003cli\u003eSuitable for residential and light commercial forced-air applications\u003c\/li\u003e\n  \u003cli\u003ePackaged weight of 1.9 pounds for easy handling and transport on service calls\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and upgrade solution for residential and light commercial forced-air HVAC systems requiring a Prestige-series programmable thermostat.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed HVAC technician. Always power down the HVAC system at the disconnect or breaker before removing the existing thermostat or connecting low-voltage wiring. Mount the thermostat sub-base level on an interior wall away from direct sunlight, drafts, and heat sources. Follow all applicable local codes and manufacturer wiring diagrams when connecting control terminals.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.9 pounds\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: YTHX9421R508\/U\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RESIDEO","offers":[{"title":"Default Title","offer_id":51506703040818,"sku":"YTHX9421R508\/U","price":343.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/YTHX9421R5085WW.jpg?v=1784928526","url":"https:\/\/voomisupply.com\/products\/resideo-ythx9421r508-u-prestige-thermostat-kit","provider":"Voomi Supply","version":"1.0","type":"link"}