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WARNING: A qualified ser-
vice technician must connect
heater to gas supply. Follow all
local codes.
WARNING: This appliance
requires a 3/8" NPT (National
Pipe Thread) inlet connection to
the pressure regulator.
WARNING: Do not over-
tighten gas connections.
CAUTION: Use only new,
black iron or steel pipe. Inter-
nally tinned copper tubing may
be used in certain areas. Check
your local codes. Use pipe of
1/2" diameter or greater to allow
proper gas volume to heater. If
pipe is too small, undue loss of
pressure will occur.
CAUTION: Never connect
heater directly to the gas supply.
This heater requires an external
regulator (not supplied). Install
the external regulator between
the heater and gas supply. The
installer provides the external
regulator for propane gas.
200045-02A
INSTALLATION
CONNECTING TO GAS SUPPLY
www.usaprocom.com
CAUTION: Avoid damage to
regulator. Hold gas regulator
with wrench when connecting
into gas piping and/or fittings.
CAUTION: Use pipe joint seal-
ant that is resistant to propane
and natural gas.
Before installing heater, make sure you have
the items listed below:
• external regulator for propane unit only
(supplied by installer)
• piping (check local codes)
• sealant (resistant to natural gas and pro-
pane gas)
• equipment shutoff valve*
• test gauge connection*
• sediment trap
• tee joint
• pipe wrench
• flexible gas hose (check local codes)
* A CSA design-certified equipment shutoff
valve with 1/8" NPT tap is an acceptable al-
ternative to test gauge connection. Purchase
the optional CSA design certified equipment
shutoff valve from your dealer.
13
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