GAS CONNECTION
The gas inlet connection is 3/8" NPT, made at the side of the main control through the area at the rear of the pedestal.
Test all gas joints from the gas meter to the heater for leaks using soap and water solution after completing connection. DO NOT USE AN OPEN FLAME.
Gas Inlet Connection (3/8" NPT)
FIGURE 6. Rear View of 9945 Vent-Free Gas Heater
GAS PRESSURE CHECK
The heater regulator controls the burner pressure which should be checked at the pressure test point located on the front of the main control and is accessible through the front of the heater. (see FIGURE 6).
The pressure should be checked with the heater burning and the control set to high (HI).
The pressure regulator is preset and locked to avoid tampering. If the pressure is not as specified in Product Specifications (Page 5), contact your dealer and replace the regulator.
FIGURE 7. Pressure Test Point Location
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