Dinosaur Electronics 12VDC TDR Fan Control Board Furnace Time Delay Relay 1-1/2 in x 1-1/2 in 4 Second Delay 2 Minute Cool Down Replacement Board

Dinosaur Electronics 12VDC TDR - Fan Control Board: Furnace Time Delay Relay Replacement For Older Furnaces That Use A Standard 12 Volt DC Igniter Board Micro Controlled 12 Volt DC 1-1/2 Inch x 1-1/2 Inch 4 Second Delay 2 Minute Cool Down Period At The End Of The Heat Cycle