Williams Furnace Generator for Monterey Top Vent Furnaces. As part of the control assembly, this thermocouple is used in conjunction with the specific gas type Pilot (P323073 - LP use or P323074 - NG use).

This is only the Thermocouple. The appropriate pilot assembly is sold separately.

It is for use with 250, and 350 Series Monterey Top Vent Furnaces.