Product Overview
This replacement Limit Switch is for use with Williams Forsaire Counterflow Top Vent Furnaces.
It is compatible with the following models:
- 3508231, 3508232, 3508631, 3508632
- 5008631, 5008632, 5508231, 5508232
- 6508631, 6508632
Click here to download the replacement parts lists and exploded view diagrams. Please refer to the appropriate section for your specific furnace.