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12V Time Delay Relay, Dinosaur Electronics, 12VDCTDR
12V Time Delay Relay, Dinosaur Electronics, 12VDCTDR

12V Time Delay Relay, Dinosaur Electronics, 12VDCTDR

Your Price: $55.00
Part Number:42-0063
12V Time Delay Relay, Dinosaur Electronics, 12VDCTDR

The Dinosaur Electronics replacement Time Delay Relay, TDR 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.

The TDR CANNOT be used in DuoTherm® 900 / 9000 series furnaces or any furnace where the thermostat is in the ground circuit UNLESS the thermostat control wires inside the furnace are removed from the "Ground" circuitry and rewired to the "Positive" (Battery +) side of the control circuitry. 

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