To prevent solar gain from skewing temperature readings

which is standard for residential gas lines

Is this pan compatible with non-York systems

offering versatile compatibility for technicians servicing diverse HVACR gas components

such as a clogged 16x25x1 filter

Daikin-McQuay 4009640 Control Board 320819-301 To prevent solar gain fromThe Daikin McQuay 4009640 Control Board is a critical OEM component designed for precise regulation of HVAC system sequences and safety protocols. Engineered to replace legacy McQuay furnace control modules, this PC board manages blower motor timing, ignition cycles, and diagnostic feedback loops. For technicians performing HVAC circuit board replacement, the 4009640 ensures seamless integration with existing wiring harnesses and sensors, maintaining