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MODU-FIRE® FORCED DRAFT Gas-Fired Boiler Parts/Technical Support
36
6.1.6 Gas Train
Mark Description
1 Main Gas Valve
2 Low Gas Pres-
sure Switch
3 Leak Test Ports
4 Automatic Dual
Gas Valve
5 Solenoid Coils
6 Gas Union
7 High Gas Pres-
sure Switch
8 Secondary Gas
Shutoff Valve
9 Air Gas Mixer
Head
9
1
2
3
6
8
7
5
4