Installation Manual

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The installer is responsible for suspension of the heater. Under no circumstances
should either the gas supply line or electrical supply line to the unit be used to
provide assistance in suspension. Do not run any gas or electric service lines
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Gas
Supply
6” (15mm)
Drip Leg
Manual
Gas Valve
Pressure regulator
required when supply
pressure exceeds
14” (35cm) w.c.
Gas Cock with plugged
pressure tap (component
of the agency-approved
flexible connector shown
here)
Agency-approved Flexible Connector
(if permitted by local code)
Gas Valve
with manifold
pressure tap
FIGURE 5 - Gas
Supply Connections
All components
upstream of the gas
valve on the unit are
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6.0 Gas Supply
6.1 Gas Supply Line 5HIHUWRFIGURE 6
WARNINGS
DO NOT install any gas piping in heat zones.
DO NOT use gas supply piping to support the heater.
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CAUTION: Isolate the heater from the gas supply line during high
pressure leak testing of gas supply piping.
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solution.
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WARNING
All components of a gas supply system must be leak tested prior to placing equipment
into service. Use a non-corrosive leak detecting solution. Never test for leaks with an open
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P/N 131793R11, Page 9