York S1-7970-3281/A Limit Switch 319825-402 ensuring the coil wattage and

ensuring the coil wattage and contact ratings match factory specifications

This valve is cross-referenced for use in various Carrier screw and centrifugal chillers

ensuring a perfect mechanical fit without the need for mounting modifications

as well as the 200 and 201 series

This OEM Carrier HH18HA435 is the direct engineering replacement for legacy part number 1176115

York S1-7970-3281/A Limit Switch 319825-402 ensuring the coil wattage andThe York S1 7970 3281 A Limit Switch is a critical safety component designed for precise thermal monitoring in residential and light commercial HVAC systems. This high limit cutout switch features a 145F Open (FOP) and 115F Close (FCLS) configuration, ensuring the furnace heat exchanger remains within safe operating parameters. Acting as a normally closed thermal disc, the S1 7970 3281 A interrupts the burner circuit if airflow is restricted or