The Williams Terminal Block Thermocouple is designed to provide high output for impressive performance, making it great for use with your wall furnace. For your convenience, the terminal block thermocouple includes a vent limit switch and a built-in junction box, and it can fit many types of Williams furnaces.
- Equipped with a built-in junction box to which wires from the vent limit switch are connected
- Vent limit switch sold separately
- 24 in. length
- Fits Williams model numbers 3508731, 3508732, 4007731, 4007732, 5008731, 5008732, 6257731, 6257732, 6508731 and 6508732