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GAS PRESSURE CHECK PROCEDURES
Steps
1. Connect the manometer to the main gas manifold pipe of the appliance, or in a battery the center unit of
the line up. If the pressure reading is taken at the oven burner or anywhere other than the main gas manifold
pipe, the pressure drop can be 1" W.C. or greater and the test is invalid.
2. Fire up one burner and take a reading.
3. Fire up all the burners on the appliance and take a reading.
4. Fire up all the gas appliances on that supply line and take a reading.
5. At no time should the pressure drop more than
1
/2" W.C.
If the pressure is set at the recommended setting and the pressure drop is slightly under, or
1
/2" W.C., the regulator
can be adjusted up to the maximum, for example, a 5.5" W.C. for natural and 10.5" W.C. for propane (LP). However,
if the pressure drop is greater than
1
/2" W.C., it is likely a lack of volume due to too small of a supply line. Check
with the gas provider for the proper size gas line.