{"product_id":"carrier-py3ppa048130nb-transformer-h30291","title":"OEM Carrier Control Transformer 40VA 208\/240V–24V for PY3PPA048130NB","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 208\/240V to 24V for Model PY3PPA048130NB\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier control transformer (part #HT01BD209) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY3PPA048130NB\u003c\/strong\u003e packaged unit. The control transformer steps down high-voltage line power (208\/240V primary) to the 24V AC signal that drives your thermostat, control board, gas valve, contactor coil, and every other low-voltage component in the system. When this transformer fails, the entire control circuit loses power — resulting in a completely unresponsive thermostat, a system that won't call for heat or cooling, or a tripped secondary fuse with no obvious upstream cause.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA capacity | 208\/240V primary | 24V secondary | 50\/60Hz | OEM part # HT01BD209 | Also replaces HT01BD207, HT01CN232, and 9076-00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM transformer wound to exact factory VA and voltage tolerances. Generic transformers often run undersized VA ratings that cause overheating under full control-circuit load, shortening the life of every component downstream.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect all power before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter (verify 0V at primary before touching wiring), wire nuts or spade connectors. Always photograph the existing wiring before disconnecting. Confirm secondary output reads ~24V AC after installation before closing the unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct factory replacement for Carrier model \u003cstrong\u003ePY3PPA048130NB\u003c\/strong\u003e. Also fits other Carrier, Bryant, and Payne equipment using the HT01BD207, HT01CN232, or 9076-00 transformer — verify your unit's data plate voltage and VA rating before ordering. Need fitment confirmation? Our HVAC parts specialists verify compatibility before you order — order now and get it shipped today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640348954995,"sku":"CARRIE-PY3PPA048130NB-TRANSFORMER-HT01BD209","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640348987763,"sku":"CARRIE-PY3PPA048130NB-TRANSFORMER-HT01BD209-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BD209_bcdd9262-82c2-470b-a27c-1c34e510804a.jpg?v=1775025732","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3ppa048130nb-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}