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AVFL Vent Free Fireplace
Monessen • AVFL42NIP-SR Installation Instructions • 4119-900 Rev. B • 05/20
FIREPLACE INSTALLATION
CHECK GAS PRESSURE
Figure 8
Check the gas pressure with the appliance burning.
Open control access door at bottom front of unit to find
valve and regulator referred to below.
The valve regulator controls the burner pressure which
should be checked at the pressure test point.
Turn captured screw counterclockwise two or three turns
and then place tubing to pressure gauge over test point.
Use test point “A” closest to gas inlet. After taking pressure
reading, be sure and turn captured screw clockwise firmly
to reseal. Do not over torque. Check for gas leaks.
Figure 8 –
Pressure Test Point Location
TEST PORT “A”
