Lighting the Boiler
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FTV I&O Manual
30
When performing a pressure test on the gas line piping, be sure the boiler is disconnected
or isolated if the test pressure is expected to exceed 1/2 PSI (14 in. w.c.), as damage to the
gas valve could occur resulting in
fire, property damage, serious injury or death.
Figure 7-1 Gas Line Connection (Typical)
Test all gas piping, internal and external to the boiler, for leaks. Failure to follow these
instructions may result in fire, property damage, serious injury or death.
Union
Drip Leg
Manual Gas Shutoff Valve
Should overheating occur or the gas
supply fails to shutoff, close the Manual
Gas Shutoff Valve to the boiler.
Flexible Gas Line Piping
Recommended to eliminate strain
on the boiler gas components (only
use if acceptable by local codes).
Rigid Gas Line Piping
Use only rigid gas line piping within the
boiler cabinet. Rigid piping must protrude
beyond the outside of the cabinet wall.
