Weil McLain 510-811-221 Pilot Assembly Kit R-410A 1008445 is the official superceding

1008445 is the official superceding part number for HH680352

while most include the integrated hub and set screw

Restored Sealing Integrity: Replaces worn elastomers and seating surfaces to eliminate bypass and ensure tight shut-off

This straight-style sensor

Seamless Integration: The 10' capillary length allows for remote mounting away from the heat source

Weil McLain 510-811-221 Pilot Assembly Kit R-410A 1008445 is the official supercedingThe Weil McLain 510 811 221 Pilot Assembly Kit is a critical OEM replacement part engineered specifically for Weil McLain CGi gas boilers (models CGi 25 through CGi 8). For technicians troubleshooting a boiler pilot light not staying lit, this kit provides a comprehensive solution by replacing the core ignition components. It includes the natural gas pilot burner, a precision calibrated pilot orifice, and the integrated pilot bracket, ensuring proper