Gas valve inlet
Gasket
Inlet gas pressure test port
Manifold gas pressure test port
Low fire adjustment (offset pressure)
High Fire Adjustment
Gas valve
O-ring
Figure 44
Gas valve and fan components
7.3.1 Replacing the fan
Nut retainer
Gas valve outlet pipe
Brass union nut
Gasket
Mixer
Fan O-ring
Fan coupler
Fan
91
7.3.1 Replacing the fan