Diagnostic Efficiency: Built-in LED indicators provide clear flash codes to identify issues with flame sense

is a high-performance replacement power assembly designed for T-series thermostatic expansion valves

Simplified Mounting: Features an integral 1/2 in

This is a normally open (NO) actuator

York 031-02479-001 Relay Board 320734-701 Diagnostic Efficiency: Built-in LED indicatorsThe York 031 02479 001 Relay Board is a critical OEM replacement component designed for Mustang heating and cooling systems. As a veteran grade HVAC control board, it functions as the central logic unit, managing and directing high voltage electrical signals to ensure precise sequencing and timing of furnace and air conditioning operations. This Mustang control relay board is engineered with integrated circuitry that switches circuits in response to