{"product_id":"carrier-fiop060e311ga-transformer-h30291","title":"OEM Carrier Transformer 40VA 120V\/24V for FIOP060E311GA — HT01BD209","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V to 24V Control Circuit for Model FIOP060E311GA\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier transformer (part number \u003cstrong\u003eHT01BD209\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eFIOP060E311GA\u003c\/strong\u003e fan coil unit. The transformer steps line voltage (120V) down to the 24V signal required by your thermostat, control board, and all low-voltage control components. When this part fails, the entire control circuit goes dead — your thermostat goes blank, your system stops responding to calls for heating or cooling, and no contactors, relays, or boards will operate. It is often the first component to inspect when a system shows absolutely no signs of life despite power being present at the unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V AC | Secondary: 24V AC | OEM part number HT01BD209 | Factory-matched output tolerance for stable low-voltage control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound and rated to exact factory specifications, ensuring consistent 24V output under load. Generic units can sag under current draw, causing erratic thermostat behavior, nuisance lockouts, and premature control board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Turn off all power to the unit at the breaker and disconnect switch before proceeding. Tools needed: flathead and Phillips screwdrivers, wire nuts or spade terminals, multimeter to verify output after installation. Always label and photograph existing wiring before disconnecting the old transformer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships the same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for Carrier model \u003cstrong\u003eFIOP060E311GA\u003c\/strong\u003e fan coil units. Verify your existing transformer's VA rating and primary\/secondary voltages on the unit data plate before ordering. Our parts specialists are available to confirm fitment — order with confidence and get your system back online today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909510615411,"sku":"CARRIE-FIOP060E311GA-TRANSFORMER-HT01BD209","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909510648179,"sku":"CARRIE-FIOP060E311GA-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_163ca64a-84d5-4c96-a21a-f2c5f6ca1706.jpg?v=1782941025","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fiop060e311ga-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}