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This is a genuine OEM 40VA control transformer assembly (part number 97298, "TRANS RELAY RECEP 120>24 40VA," supplied with the matching 92840 24V SPDT relay) for the ICP / Tempstar / Heil WUGF060AG01 gas furnace. The transformer steps the 120V line voltage down to the 24V control power that drives the thermostat, gas valve, igniter circuit, and relays. If the transformer fails, the entire low-voltage control side goes dead — the thermostat will not call, the gas valve will not open, and the furnace will not run. Typical symptoms include an unresponsive thermostat, no 24V at the control board, a repeatedly blown low-voltage fuse, or a transformer that buzzes, overheats, or shows scorching. Transformers often fail from a shorted thermostat wire, a shorted gas valve, or age-related winding breakdown.
| Spec | Value |
|---|---|
| Part Numbers | 97298 (transformer/receptacle), 92840 (24V SPDT relay) |
| Type | Control Transformer, 120/24V |
| Brand | ICP / Tempstar / Heil / Comfortmaker |
| Rating | 40 VA |
| Primary Voltage | 120V |
| Secondary Voltage | 24V |
| Fitment | OEM Direct Replacement |
Directly fits the ICP / Tempstar / Heil WUGF060AG01 upflow gas furnace and related ICP-family furnaces using the 97298 transformer and 92840 relay. Verify your VA rating, primary/secondary voltages, and mounting/receptacle style before installing.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.