Daikin-McQuay 4009434 Circuit Board R-22 Only the specified burner gasket

Only the specified burner gasket provides the mechanical seal required to prevent high-velocity flue gas leaks

Can this assembly be used for both ignition and flame sensing

This front cover is designed for a wide range of Amana and Goodman units

and RK909RT-3/4-1

Daikin-McQuay 4009434 Circuit Board R-22 Only the specified burner gasketThe Daikin McQuay 4009434 Circuit Board is a critical OEM replacement component designed for precise control logic in commercial HVAC systems. This printed circuit board (PCB) functions as the primary interface for managing compressor cycles, fan timing, and diagnostic monitoring. Engineered to meet exact factory specifications, the 4009434 controller ensures seamless communication between thermostats and mechanical components, maintaining system