52
ON
OFF
MANIFOLD GAS PRESSURE
REGULATOR COVER SCREW
500,000 BTU/HR NATURAL GAS MODELS
24 VAC GAS VALVE TOP VIEW
MANIFOLD GAS
PRESSURE TAP
1/8’ NPT PLUG
INLET
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KNOB
Figure 57
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HIGH ALTITUDE INSTALLATIONS
Fire and Explosion Hazard
Gas and carbon monoxide detectors are
available.
Overfiring could result in fire or
explosion.
Under no circumstances should the
input exceed the rate shown on the
water heater’s rating label.
Breathing Hazard - Carbon Monoxide Gas
Breathing carbon monoxide can cause brain damage or
death. Always read and understand instruction manual.
Under no circumstances should
the input exceed the rate shown
on the water heater’s rating label.
Overfiring could result in damage to
the water heater and sooting.
Gas and carbon monoxide detectors
are available.
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