Always verify the footprint and clamp alignment against the existing housing to confirm a secure vacuum seal before firing the burner

The Johnson Controls P400BD-1 Pressure Switch provides critical single point differential oil pressure monitoring for commercial refrigeration and HVAC compressors

the internal bimetal disc has failed and the part requires replacement

Flexible Mounting: Designed to be mounted horizontally (inlet stem down) without requiring perfectly level installation for accurate sensing

OEM Compatibility: Specifically engineered for York HVAC units

Weil McLain 633-900-102 T-Stat THPU32HP7Y Always verify the footprint andThe Honeywell Home AM101 US 1LF is a lead free proportional thermostatic mixing valve designed for point of source applications where precise temperature control and scald protection are critical. Featuring a Union Sweat connection, this ASSE 1017 certified valve provides a stable mixed water temperature across a wide range of flow rates, making it an essential component for high efficiency domestic hot water loops. The Teflon coating on the internal