{"product_id":"carrier-ph14na01800gaaaa-transformer-h4oyjb","title":"OEM Carrier Transformer 60VA 115\/208\/230V 24V for PH14NA01800GAAAA","description":"\u003ch1\u003eOEM Carrier 60VA Control Transformer 115\/208\/230V Primary 24V Secondary for Model PH14NA01800GAAAA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part number \u003cstrong\u003eHT01AW229\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PH14NA01800GAAAA\u003c\/strong\u003e packaged heat pump unit. The transformer steps down high-voltage line power (115, 208, or 230V primary) to the 24V AC signal that powers the entire control circuit — including the thermostat, contactor coil, reversing valve, and all safety switches. When this transformer fails, the entire low-voltage control system goes dead: the thermostat goes blank, the unit will not respond to any call for heating or cooling, and no components will energize. A shorted secondary winding can also blow the 3A or 5A control fuse repeatedly, making it appear as though multiple components have failed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA rating | Primary voltage: 115 \/ 208 \/ 230V AC | Secondary voltage: 24V AC | Foot-mount (chassis-mount) configuration | Factory-matched Carrier OEM part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part. OEM transformers are wound to exact VA and impedance specifications, ensuring stable 24V output under full control-circuit load. Generic alternatives often run undersized VA ratings, causing voltage sag that triggers nuisance lockouts and premature contactor coil failure.\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 (verify 0V before touching terminals), needle-nose pliers for spade connectors. Photograph all wiring connections before removal. Verify the blown fuse is also replaced to confirm the fault is cleared before powering up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PH14NA01800GAAAA\u003c\/strong\u003e packaged heat pump unit. Cross-references include HT01AW229A. Always verify your unit's data plate voltage matches the 115\/208\/230V primary input before ordering. Our team is available to verify fitment — contact us before you buy if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641796186483,"sku":"CARRIE-PH14NA01800GAAAA-TRANSFORMER-HT01AW229","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641796219251,"sku":"CARRIE-PH14NA01800GAAAA-TRANSFORMER-HT01AW229-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01AW229_6d802b4d-3295-4e3e-9346-188889ed76f6.jpg?v=1782942996","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph14na01800gaaaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}