This furnace pressure switch is constructed with durable housing and corrosion-resistant terminals to withstand the thermal cycling and moisture typical of condensing furnace environments

This 120VAC 2-pole switch is designed to break both sides of the safety string or specific control legs depending on the Bard model's circuit design

The Bunn 22300

The Johnson Controls T-4000-630 Conversion Kit is a field-proven solution for transitioning existing field-installed pneumatic thermostats to the T-4000 series

Lennox 18K44 Limit Switch Els PW 17895 This furnace pressure switch isThe Lennox 18K44 Limit Switch is a high reliability OEM replacement normally closed safety control designed for precise thermal management in residential gas furnaces and air handlers. This auto reset limit switch is engineered to maintain system integrity by monitoring internal plenum temperatures. It is calibrated to an open on rise (cut out) setpoint of 280F to prevent thermal overload and a close on fall (cut in) setpoint of 250F for automatic