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NOTICE: A qualified gas appliance installer must connect the heater to the gas supply. Consult all local
codes.
use new black iron or steel pipe. Internally tinned copper or copper tubing can be used
per National Fuel Code, section 2.6.3, providing gas meets hydrogen sulfide limits, and
where permitted by local codes. Gas piping system must be sized to provide minimum
inlet pressure (Listed on Data Plate) at the maximum flow rate (BTu/hr). undue pressure
loss will occur if the pipe is too small.
A manual shutoff valve must be installed upstream of the appliance. union tee and
plugged 1/8" NPT pressure tapping point should be installed upstream of the appliance.
Figure 14
To Heater
Valve
Stainless
Flexible Tube
IMPORTANT: Hold heater valve firmly with a wrench to prevent movement when connecting to inlet pipe.
ChECk GAS TYPE: The gas supply must be the same as stated on the heater's rating plate.
If the gas supply is different, DO NOT INSTALL ThE hEATER. Contact your dealer for the
correct model.
Always use an external regulator for all propane/LPG heaters and high pressure one to two-pound systems
only, to reduce the supply tank pressure to a maximum of 13" w.c. This is in addition to the internal regulator in
the heater valve.
86D0024
Pipe Coupling
Pipe
Manual Shutoff
Valve
Figure 14 - Gas Connection
FP2007
gas connection
CONNECTING THE GAS
Locations that the Pressure Tapping
Point May Be Installed
Gas Supply
Inlet
FP2007
19
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