OEM Carrier 40VA Control Transformer for Model P1011600 — Part# HT01BC208

This OEM replacement control transformer (part# HT01BC208) is the factory-specified unit for Carrier model P1011600 HVAC systems. The transformer steps down line voltage from 120V to 24V to power the low-voltage control circuit — including the thermostat, contactor coil, and control board. When this component fails, the entire control circuit goes dead: your thermostat goes blank, the system won't respond to any commands, and no heating or cooling stage can be initiated. It is one of the first components to check when nothing works and the breaker is confirmed on.

• Specs: 40VA rating | 120V primary / 24V secondary | Class 2 transformer | Factory-matched impedance and thermal protection for Carrier P1011600
• OEM vs Generic: This is a genuine OEM Carrier part (HT01BC208), built to exact factory tolerances. Generic transformers often lack internal thermal cutoffs, risking control board damage from voltage spikes or overloads.
• Install difficulty: 2/5 — Disconnect all power before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter to verify 24V output after install. Photograph all wiring connections before removal.
• Warranty: 1-year OEM factory warranty. In-stock units ship same business day from our warehouse.

Compatibility: Designed specifically for Carrier P1011600 HVAC systems. Always verify your existing transformer's VA rating, primary voltage, and secondary voltage against your unit's data plate before ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — order with confidence.