15
Monessen • Natural Blaze Owner’s /Installation Manual • 4619-900 Rev. C • 1/2020
4
Gas Information
A. Gas Line Connection
NOTICE:
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IMPORTANT:
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heaters and high pressure one to two-pound systems
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When tightening up the joint to the valve, hold the valve
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DO NOT USE AN OPEN FLAME.
Check the gas pressure with the appliance burning and
the control set to
HIGH
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
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codes. Gas piping system must be sized to provide
minimum inlet pressure (Listed on Data Plate) at the
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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.
WARNING
Connecting directly to an unregulated propane/
LPG tank can cause an explosion.
WARNING
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.
WARNING
Figure 4.1 Gas Connection
B. Fuel Type
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Field conversion is not permitted.
• Make sure the appliance is compatible with available gas
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C. Gas Pressure
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NATURAL
PROPANE (LP)
Inlet Minimum
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WARNING! Risk of Fire or Explosion!
High pressure
will damage valve. Low pressure could cause explosion.
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• Install regulator upstream of valve if line pressure is
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