supporting various high-demand commercial control circuits

While 4JN (Neoprene) and 4J (EPDM) sleeves share the same physical dimensions and torque ratings for size 4 flanges

making it a reliable choice for duct mount temperature sensing during retrofits or new installations

or industrial loads

providing the necessary magnetic force for precise fluid control

York S1-1PS0309 Pressure Switch Els PW 17895 supporting various high-demand commercial controlThe York S1 1PS0309 Pressure Switch is an OEM specified safety component engineered for high altitude gas furnace installations. This SPST pressure switch is calibrated to a fixed setpoint of 0. 90" WC (water column), ensuring the inducer motor maintains the critical vacuum thresholds necessary for safe flue gas venting in low density air environments. Designed for precise atmospheric monitoring, this switch replaces standard units to prevent nuisance