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E. Gas Pressure Regulation & Adjustment
The gas pressure has been preset at the factory for the type of
gas specified on the rating plate; however, it is sometimes
necessary to adjust the gas pressure after the unit has been
installed.
• Turn the Gas Shut Off Valve to the OFF position.
• Remove the Control Panel by removing the screw
at the top overhang above the panel.
• Pull the Control Panel forward and lay aside. Do
not remove any wiring.
• Remove the Combustion Compartment Cover by
removing the screws located in the bottom of the
door opening.
• Find the pressure tap located at the lower right hand
corner of the unit on the Right hand side of a
plumbing “Tee”. The pressure tap is a 1/8” pipe
plug with a hex head.
• Remove the pressure tap plug and replace with the
fitting for a gas pressure meter, slack tube or
manometer.
• Attach your meter.
• The pressure regulator is an integral part of the dual
solenoid gas valve. Locate the adjustment screw on
the left hand side. (It has a slotted aluminum cover
cap.)
• Remove the cover cap.
• Open the Gas Shut Off Valve.
• Turn the Main power switch to the COOK position.
• With the burner on, check your meter. The
manifold pressure should be 3.5” W.C. for natural
gas and 10” W.C. for propane.
• Check the rating plate to verify gas types and
pressures.
• 3/4” gas piping required.
NOTE: It is important to check the gas pressure of any unit
while ALL the equipment on that gas line is ON. This will
tell you if you have a properly sized gas delivery system or if
there is a problem with gas volume. If you experience a
pressure drop that does not recover when the other
equipment is turned on, you should look for problems in the
size of the pipes or some other type of restriction. Refer to
the chart on Maximum Capacity of Pipes located in Section
II.D.
• Rotate screw inside. Clockwise to increase
pressure, Counter-clockwise to decrease pressure.
• When the proper pressure is attained, turn the
power switch to the OFF position and close Manual
Shut Off Valve.
• Remove your meter and fitting. Replace pressure
tap plug. (You may need to add some pipe dope to
the plug to prevent a leak.)
• Turn the power switch to the ON position and open
the Manual Shut Off Valve.
• With a solution of soapy water, check for gas leaks.
Repair any leaks.
• Replace cover cap on gas valve.
• Replace Combustion Cover.
• Replace Control Panel.
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