OEM Carrier Control Transformer 40VA 208/240V to 24V for Model PY1PPB036060ABAA

This OEM control transformer (part# HT01BD209) is the factory-specified replacement for the Carrier PY1PPB036060ABAA packaged unit. The transformer steps down 208/240V line voltage to the 24V AC signal that powers your thermostat, control board, contactors, and all low-voltage switching circuits. When this component fails, the entire control circuit goes dead — resulting in a completely unresponsive system, a blank thermostat display, or a unit that won't start under any call for heating or cooling.

• Specs: 208/240V Primary | 24V Secondary | 40VA Rating | 50/60 Hz | Replaces HT01BD207, HT01CN232, and 9076-00
• OEM vs Generic: OEM transformers are wound to exact factory VA and impedance specifications, preventing voltage sag under full control-circuit load. Generic units may under-deliver on VA rating, causing nuisance tripping or premature control board failure.
• Install difficulty: 2/5 — Disconnect all power before servicing. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter to verify 24V output post-installation. Label and photograph all wire connections before removal.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse.

Compatibility: Fits Carrier model PY1PPB036060ABAA. Verify your unit's data plate voltage (208/240V primary) before ordering. This part also cross-references as a direct replacement for legacy Carrier part numbers HT01BD207, HT01CN232, and 9076-00. Questions about fitment? Our HVAC parts team confirms compatibility before you order — order now and receive same-day shipping.