How do I troubleshoot a weak flame signal with this pilot

This single-speed unit runs on standard 115V power at 1

The Lennox 10W77 Expansion Valve is a critical OEM R-22 expansion valve designed for precise refrigerant metering in residential and commercial cooling systems

the Siemens RAA20U is the direct replacement for 1A10-651

ensuring matching physical dimensions and coil fitment

Heat Controller 803300301016 Control Board 328140-751 How do I troubleshoot aThe Heat Controller 803300301016 Control Board is a critical OEM replacement component engineered for precise regulation of HVAC system sequences. Designed as a main control board for specific Comfort Aire and Century units, including the PTHP15A150B series, this board manages the complex timing and operation of the compressor, indoor blower motor, and outdoor fan to ensure optimal thermal performance. In furnace and air handler parts management, this