Weil-McLain 550-141-850/0599 manual XId Troubleshooting — servicing tips, Igniter, Gas Valve

•Installation • Start-Up • Parts • Maintenance

XId Troubleshooting — servicing tips

Igniter

Wait several minutes until igniter cools down before attempting replacement. Failure to do so will cause severe personal injury.

1.Disconnect igniter from igniter wiring harness and remove igniter before removing blower assembly.

2.Replace igniter gasket if original gasket is frayed or damaged.

3.Igniter is fragile - handle with care. Do not touch igniter surface with bare hands. Body oils can cause failure of the carbide.

Gas Valve

Gas valve operates with a negative pressure at the outlet — approximately -0.2" w.c. — do not set gas pressure higher than this. Follow instructions in this manual carefully if testing gas valve outlet pressure. Failure to comply can result in severe personal injury or death.

85060

The gas valve outlet tapping is a left- hand thread. Rotate counter- clockwise to tighten, clockwise to loosen. When replacing valve, replace only with valve listed in this manual for use with the GV boiler. Failure to comply could result in severe personal injury, death or substantial property damage.

Robertshaw

Model 7200DERN-680

White-Rodgers

Model 36E66-302

85061

Blower Housing

Do not disassemble blower housing. A fire or explosion causing severe personal injury, death or substantial property damage can result. If you suspect a problem, replace blower housing. Follow instructions in manual Section IX, Cleaning boiler heating surfaces for blower

	housing removal and replacement.
	85062
Part number 550-141-850/0699	69