{"product_id":"carrier-py1ppb030060aaaa-transformer-h30291","title":"OEM Carrier Transformer 40VA 208\/240V–24V for PY1PPB030060AAAA","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 208\/240V to 24V — HT01BD209 for Model PY1PPB030060AAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement control transformer for the \u003cstrong\u003eCarrier PY1PPB030060AAAA\u003c\/strong\u003e packaged unit. The transformer steps down high-voltage power (208\/240V) from the line side to the 24V signal voltage that energizes your thermostat, contactor coil, and all low-voltage control circuitry. When this transformer fails, the entire control circuit goes dead — the thermostat loses power, the system refuses to respond to any call for heating or cooling, and you may notice a burning smell or a tripped low-voltage fuse. Replacing the transformer is one of the most impactful and straightforward repairs you can make.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA power rating | 208\/240V primary input | 24V secondary output | 50\/60 Hz | OEM part number HT01BD209 | Factory-matched for Carrier PY1PPB030060AAAA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact factory VA tolerances, ensuring the control board and contactor coil receive stable, clean 24V under all load conditions. Generic units may run under-rated VA, causing voltage sag that triggers nuisance lockouts or premature board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before starting. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter, needle-nose pliers. Label all wires before disconnecting. Verify 24V output with a multimeter after installation before restoring full power.\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 Designed as the direct OEM replacement for \u003cstrong\u003eCarrier PY1PPB030060AAAA\u003c\/strong\u003e packaged units. Verify your unit's data plate shows a 208\/240V primary and 24V secondary control circuit before ordering. Need fitment confirmation? Our HVAC parts specialists verify compatibility before you buy — order with confidence and get your system back online today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640804659571,"sku":"CARRIE-PY1PPB030060AAAA-TRANSFORMER-HT01BD209","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640804692339,"sku":"CARRIE-PY1PPB030060AAAA-TRANSFORMER-HT01BD209-GEN","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01BD209_35f4d380-bf27-4a2c-8c2e-ccd6e1c5388b.jpg?v=1782942271","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1ppb030060aaaa-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}