A.O. Smith BTH 400 - Temperature-Pressure Relief Valve Test; Vent System

64
DISCHARGE PIPE
TEMPERATURE-PRESSURE
RELIEF VALVE
Figure 56
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DO NOT PLUG THE TEMPERATURE-PRESSURE RELIEF
VALVE OPENING. THIS CAN CAUSE PROPERTY DAMAGE,
SERIOUS INJURY OR DEATH.
Explosion Hazard
Temperature-Pressure Relief Valve
must comply with ANSI Z21.22-
CSA 4.4 and ASME code.
Properly sized temperature-
pressure relief valve must be
installed in opening provided.
Can result in overheating and
excessive tank pressure.
Can cause serious injury or death.
VENT SYSTEM
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TABLE 20
UN-LIME® PROFESSIONAL DELIMER
Part Number Description
100110459 JDOORQFDVH
100110460 1 - 5 gallon
POWERED ANODE RODS
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DRAIN VALVE AND ACCESS PANELS
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TEMPERATURE-PRESSURE RELIEF VALVE TEST
Burn hazard.
Hot water discharge.
Keep clear of Temperature-
Pressure Relief Valve
discharge outlet.
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