York 031-02479-002 Relay board Refrigerant Inspect the pan for hairline

Inspect the pan for hairline fractures or significant mineral "pitting

This is the standard configuration for heating applications where the circuit must break once the set point is reached

What electrical loads is this switch rated for

ensuring the heat exchanger cools sufficiently before the blower shuts down

York 031-02479-002 Relay board Refrigerant Inspect the pan for hairlineThe York 031 02479 002 Relay Board is a critical OEM replacement part designed for high performance HVAC control systems. This industrial grade relay board acts as the central communication hub, managing electrical signals to essential components including compressors, fan motors, and inducer assemblies. As a veteran technician knows, maintaining circuit board integrity is paramount for avoiding system short cycling and ensuring precise temperature