OEM Carrier 40VA Control Transformer 208/240V to 24V for Model PY2PPB048130AA

This is the factory OEM replacement control transformer for the Carrier PY2PPB048130AA packaged unit. The transformer steps down 208/240V line voltage to the 24V AC signal that powers your thermostat, control board, and all low-voltage components. When this transformer fails, the entire control circuit goes dead — the system will not respond to any thermostat call, and you may measure zero voltage at the 24V secondary terminals or blow the 3A fuse on the control board repeatedly.

• Specs: OEM Part # HT01BD209 | Input: 208/240V, 50/60 Hz | Output: 24V AC | Power Rating: 40VA | Factory-matched windings and core size
• OEM vs Generic: The genuine Carrier OEM transformer is wound to exact VA and voltage tolerances. Undersized or off-tolerance aftermarket units can under-drive the control board, cause nuisance fuse failures, or fail prematurely under full heating/cooling demand loads.
• Install Difficulty: 2/5 — Disconnect power and verify voltage is off before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Photograph all wiring connections before removal. Discharge any capacitors in the unit before reaching inside the panel.
• Warranty: 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Designed specifically for the Carrier PY2PPB048130AA packaged unit. Always verify your existing transformer's input voltage, output voltage, and VA rating against your unit's data plate before ordering. Not sure it fits? Contact our parts team — we verify fitment before you buy. Order now and get same-day shipping on in-stock items.