Direct OEM Replacement: Ensures a perfect seat against the inducer housing for York

it communicates directly with the appliance's control board to adjust flow rates based on real-time demand

OEM Compatibility: Identified as an exact drop-in for Heil Quaker 1175187 and 36H54-470

the 920673A features a balanced port design that compensates for varying head pressures

Lennox 10U66 Pressure Switch 322838-752 Direct OEM Replacement: Ensures aThe Lennox 10U66 Pressure Switch is a critical safety component designed for heavy duty HVACR applications, specifically engineered to monitor high side refrigerant pressures. This 670# M R Hi Pressure Switch acts as a fail safe mechanism, protecting the compressor and system piping from catastrophic failure caused by extreme pressure spikes. It features a specific actuation point of 640 PSI and is built with a manual reset (M R) configuration,