TDR Furnace Time delay relay
Item #TDR

Dinosaur Electronic TDR Relay 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.

TDR (Time Delay Relay)


*12 VDC operation* Micro controlled

*4 second delay*2 minute cooldown cycle

*Size: 1.5" x 1.5"*Potted