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This RK 009M2-RT 1 kit provides all the high-quality elastomers needed to overhaul the relief valve and check modules simultaneously
Designed for direct-fit compatibility with York HVAC units and commercial-grade air handlers
it provides the necessary negative pressure to clear the heat exchanger of combustion by-products through the flue
maintaining ductwork integrity is paramount for system pressure balance
Broad Compatibility: Engineered specifically for Burnham G2 series and related residential gas boilers
Daikin-McQuay 4009501 Circuit Board 319852-301 This RK 009M2-RT 1 kitThe Daikin McQuay 4009501 Circuit Board is a critical OEM replacement component engineered for precise logic control in Daikin HVAC systems. As a primary printed circuit board (PCB), this unit serves as the communication hub, managing electrical signals between sensors, thermostats, and mechanical components to ensure stable system operation. Designed to match original factory specifications, it provides a direct fit solution for technicians looking
