York 031-02479-001 Relay Board 318973-401 leak-free brazing in professional installations

leak-free brazing in professional installations

this pilot burner ensures a consistent flame for main burner ignition

making it ideal for mid-sized commercial refrigeration plants

tight shutoff in pneumatic systems and vacuum service

The inverted flare connection and durable bracket design allow for drop-in replacement in compatible furnaces and boilers

York 031-02479-001 Relay Board 318973-401 leak-free brazing in professional installationsThe 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