Smith GSX SERIES User's Information Manual page 3

6. Safety Relief Valve. A mechanical device that
protects the boiler against excessive pressure.
The safety relief valve can discharge a large
amount of steam or hot water – the installer
should provide piping to discharge water near
the floor close to a floor drain. If the safety relief
valve discharges water, follow the instructions
TO TURN OFF GAS TO APPLIANCE on the
Lighting Instructions affixed to the inside of the
removable front jacket panel (see Figures 3
through 5 for typical lighting instructions), and
contact a qualified service agency.
USER'S INFORMATION MANUAL
Figure 2: Sequence of Operation Intermittent Pilot
C. Lighting Instructions. Instructions to place the
boiler in operation and to turn off the boiler are
shown on the Lighting Instructions Label posted on
the inside of the front jacket panel of the boiler.
Typical lighting instructions are shown in Figures 3
through 5.
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