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G. Gas Connection
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• The gap between supply piping and gas access hole
may be sealed with caulk or aluminum foil tape with a
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with non-combustible, unfaced insulation to prevent cold
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• Ensure that gas line does not come in contact with outer
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WARNING! Risk of Fire or Explosion! Support control
when attaching pipe to prevent bending gas line.
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WARNING! Risk of Fire or Explosion! Gas build-up dur-
ing line purge could ignite.
• Purge should be performed by qualified service
technician.
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• Ensure there are no ignition sources such as sparks
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Figure 5.7 - Gas Fitting Access
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Monessen • AVFL Series Installation Manual • 4099-901 Rev. E • 01/22
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WARNING! Risk of Fire, Explosion or Asphyxiation!
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commercially available leak-check solution. DO NOT use
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ened during shipping and handling.
WARNING! Risk of Fire! DO NOT change valve settings.
This valve has been preset at the factory.
H. High Altitude Installations
NOTICE: If the heating value of the gas has been reduced,
these rules do not apply. Check with your local gas utility
or authorities having jurisdiction.
When installing above 2000 feet elevation reduce input
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Check with your local gas utility to determine proper ori-
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