This SPDT NO/NC relay (Single Pole Double Throw

and 150 Series controls

eliminating the risks associated with generic universal switches

Common Questions What is the exact O

Key Benefits Direct OEM Replacement: Guaranteed fit for Reznor FT30-300

Williams P323379 Limit Switch This SPDT NO/NC relay (SingleThe Williams P323379 Limit Switch is a critical safety component designed for high limit temperature monitoring in gas furnaces and heating units. Featuring a 330F CO temperature rating, this manual reset vent limit switch ensures that the combustion system shuts down immediately if internal temperatures exceed safe operating parameters. As an OEM Williams replacement part, it provides precise overheat protection to prevent heat exchanger damage and