Replacement Time Delay Relay is for use in older furnaces that use a standard 12VDC ignitor board. The TDR has a 4 second delay before applying power to the fan motor, and a 2 minute cool down period at the end of the heat cycle before removing power from the fan motor.
Use to replace the oem relay which is no longer available, use in Atwood, Hydroflame, Duotherm, and Suburban 12 volt furnace models that use a time delay relay. Replaces 31017, HF1017, 230625, 231202, and 3-14437-000
dimensions: 1.5" x 1.5" x 1.25" H