{"product_id":"carrier-py2pnb030060nb-transformer-h30291","title":"OEM Carrier 40VA Transformer HT01BD209 for PY2PNB030060NB","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01BD209 for Model PY2PNB030060NB\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part# \u003cstrong\u003eHT01BD209\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY2PNB030060NB\u003c\/strong\u003e packaged unit. The transformer steps down line voltage (120V) to 24V AC to power the low-voltage control circuit — including the thermostat, contactor coil, and control board. When this component fails, the entire control circuit goes dead: the thermostat shows no response, the system won't energize, and nothing happens on a call for heating or cooling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Direct OEM replacement | Factory-matched output for stable control voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM transformer built to exact VA and voltage tolerances. Generic transformers often run undervoltage under load, causing intermittent lockouts, nuisance tripping of fuses, and premature control board failure — making the OEM choice the most cost-effective long-term solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect all power before servicing. Tools needed: flathead and Phillips screwdrivers, multimeter (to verify 24V output post-install), wire nuts or spade terminals. Always confirm primary and secondary wiring polarity matches original configuration.\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 Engineered as a direct drop-in replacement for \u003cstrong\u003eCarrier model PY2PNB030060NB\u003c\/strong\u003e packaged units. Verify your existing transformer's VA rating and primary\/secondary voltage on the unit data plate before ordering. Not sure if this is the right part? Our HVAC parts specialists verify fitment before you buy — just reach out before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640543269235,"sku":"CARRIE-PY2PNB030060NB-TRANSFORMER-HT01BD209","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640543302003,"sku":"CARRIE-PY2PNB030060NB-TRANSFORMER-HT01BD209-GEN","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BD209_e850a91e-cead-4be6-932e-ae55a0c7d6e4.jpg?v=1775016609","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2pnb030060nb-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}