{"product_id":"carrier-transformer-fb4cnps36l00abaa","title":"OEM Carrier Transformer HT01BD233 for Model FB4CNPS36L00ABAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer HT01BD233 for Model FB4CNPS36L00ABAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier transformer (HT01BD233) provides the essential 24V control power your FB4CNPS36L00ABAA fan coil unit needs to function. By stepping line voltage down to low voltage, the transformer feeds your thermostat, control board, relays, and contactor — the entire control circuit that coordinates heating and cooling. When the transformer fails, the system loses all control power: expect a dead thermostat, no response to any temperature call, or a low-voltage fuse that blows immediately on power-up. This replacement is matched to the exact VA rating and voltage specification Carrier built for the FB4CNPS36L00ABAA, so it drops in cleanly without modification. Installation is moderate difficulty — disconnect power, photograph the wiring, and transfer the primary and secondary leads to the corresponding terminals. Confirm 24V at the secondary to verify the fix. Genuine OEM parts deliver stable control voltage and far longer service life than generic substitutes. In stock today — orders before 3PM CST ship same-day so your system is back online quickly.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNPS36L00ABAA.\u003c\/p\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping before 3 PM CST. 30-day returns on uninstalled parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":62949832130931,"sku":"carrier-transformer-fb4cnps36l00abaa","price":56.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnps36l00abaa","provider":"National HVAC Parts","version":"1.0","type":"link"}