Self-Powered Operation: Power is induced directly from the monitored line

When performing valve maintenance or a complete rebuild

Verify the temperature range and capillary length before finalizing the replacement

When should this gasket be replaced

You should verify the temperature rating and insertion depth printed on your existing switch—specifically looking for the 190-220F stamp—before installation

York S1-373-25771-000 Power Harness Els PW 17895 Self-Powered Operation: Power is inducedThe York S1 373 25771 000 Power Harness is a critical 4 pin OEM replacement designed to restore reliable voltage communication between HVAC control boards and system components such as blower motors and limit switches. This high spec wiring harness is engineered for high temperature environments, featuring PVC insulated wiring rated up to 1000V and 90C. As a direct successor to the S1 37315424001 electrical heat harness, it ensures seamless