{"product_id":"crestron-hza-conv-thstat-2wire","title":"Crestron HZA-CONV-THSTAT-2WIRE – Common Wire Adapter for HZ-THSTAT","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Crestron HZA-CONV-THSTAT-2WIRE is a common wire (C-wire) adapter for the Crestron HZ-THSTAT thermostat. It enables installation of the HZ-THSTAT in HVAC systems that do not have a common wire available, converting a 2-wire HVAC circuit to provide the constant 24 VAC power required by the thermostat.\u003c\/p\u003e\u003ch2\u003eProduct Description\u003c\/h2\u003e\u003cp\u003eMany older residential and light commercial HVAC systems were wired with only 2 conductors — typically R (power) and W (heat) or R and Y (cool) — without a dedicated common (C) wire. Modern smart thermostats, including the Crestron HZ-THSTAT, require a C-wire for continuous 24 VAC power to operate reliably. The HZA-CONV-THSTAT-2WIRE solves this problem without requiring new thermostat wire to be run.\u003c\/p\u003e\u003cp\u003eThis adapter is specifically designed for the HZ-THSTAT and should not be used as a generic C-wire adapter for other thermostat brands or models. It is a necessary accessory for any HZ-THSTAT installation in a 2-wire system.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnables HZ-THSTAT installation in 2-wire HVAC systems lacking a common wire\u003c\/li\u003e\n\u003cli\u003eEliminates the need to run new thermostat wiring to add a C-wire\u003c\/li\u003e\n\u003cli\u003eSpecifically designed and certified for use with Crestron HZ-THSTAT\u003c\/li\u003e\n\u003cli\u003eSimplifies retrofit thermostat installations in older buildings\u003c\/li\u003e\n\u003cli\u003eCompact adapter for discrete installation at the HVAC equipment or thermostat location\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRetrofit thermostat installations in older buildings with 2-wire HVAC wiring\u003c\/li\u003e\n\u003cli\u003eCommercial or light commercial spaces upgrading to Crestron thermostat control\u003c\/li\u003e\n\u003cli\u003eResidential integration projects where thermostat wiring predates C-wire inclusion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eHZA-CONV-THSTAT-2WIRE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Device\u003c\/td\u003e\n\u003ctd\u003eCrestron HZ-THSTAT thermostat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eCommon wire (C-wire) adapter for 2-wire HVAC systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHVAC Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VAC (standard low-voltage HVAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFAQs\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: Is the HZA-CONV-THSTAT-2WIRE compatible with thermostats other than the Crestron HZ-THSTAT?\u003c\/strong\u003e\u003cbr\u003eA: No. This adapter is designed specifically for the Crestron HZ-THSTAT thermostat and is not a universal C-wire adapter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Where is the adapter installed — at the thermostat or at the HVAC equipment?\u003c\/strong\u003e\u003cbr\u003eA: Installation location depends on the HVAC system configuration. Refer to Crestron's installation documentation for the HZA-CONV-THSTAT-2WIRE for specific wiring instructions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Does my system need a C-wire?\u003c\/strong\u003e\u003cbr\u003eA: If your existing thermostat wiring has only 2 conductors and does not include a C wire, this adapter is required when installing the HZ-THSTAT.\u003c\/p\u003e","brand":"Crestron","offers":[{"title":"Default Title","offer_id":47759597437164,"sku":"HZA-CONV-THSTAT-2WIRE","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/master_photo_a-HZA-CONV-THSTAT-2WIRE_Front.png?v=1781802544","url":"https:\/\/creationnetworks.net\/products\/crestron-hza-conv-thstat-2wire","provider":"Creation Networks","version":"1.0","type":"link"}