Precise Thermal Protection: Strictly calibrated to open at 250°F and close at 220°F for consistent safety cycles

which optimizes thermal efficiency and maintains stable water temperatures by matching the burner output to the actual heating load

this circuit board specifically manages the 24V control logic and must be powered by the system's step-down transformer

By managing the post-purge operation

This limit switch provides a drop-in manual/remote (M/R) operation fit

Carrier P283-0360 Fan Relay 326070-701 Precise Thermal Protection: Strictly calibratedEnsure reliable blower operation and climate control with the Carrier P283 0360 Fan Relay. This HVAC fan relay is a crucial pilot component engineered to regulate high current circuits found in residential and commercial air handlers. As a specific OEM Carrier replacement part, it is designed for maximum compatibility with existing control boards and wiring harnesses, providing the necessary 24V coil switching to engage the indoor fan motor. The P283