Venturi
adjustment
screw
Figure 34: Gas valve location.
Gas Pressure Testing Procedure
Note: To test the gas pressure, turn off the gas supply to the appliance before loosening test
point screws.
Verify gas pressures with the fireplace lit and at the highest setting.
1. Remove window surround and locate the valve as seen in Figure 34.
2. Locate the inlet and outlet test ports on the valve which can be seen in Figure 33. After locating
test ports loosen the screws within the ports using a flat -tip screwdriver.
3. Attach pressure gauge to the test ports
4. Turn gas supply back on and test pressures.
5. After testing is finished turn off gas supply, remove the pressure gauges and tighten up the
screws in the test points.
PILOT ADJUSTMENT
SCREW
PRESSURE
MODULATOR
DEVICE
MAIN GAS
SOLENOID
PILOT
SOLENOID
INLET
PRESSURE
TEST POINT
MANIFOLD PRESSURE
TEST POINT
Figure 35: Gas control valve.
26
5056.201-A
ESPRIT
280617-40
