TCWS.54NGST03D_210417-24
5056.425181D
Correct gas pressure requirement:
Supply Pressure
Natural Gas
Propane
Min. Pressure
5.0" WC
12.5" WC
(For purpose of input adjustment)
Max. Pressure
13.9" WC
13.9" WC
Manifold Pressure
Maximum 3.5" WC
10" WC
Minimum 1.6" WC
6.4" WC
Gas Pressure Check
Note: To test the gas pressure, turn off the gas supply before removing the plug from the supply
pressure test port or manifold pressure test port.
Verify gas pressures with the fireplace lit and on the highest setting.
Manifold
pressure
test port
Inlet
pressure
test port
Figure 27: Pressure test ports.
1. Remove the plug from the
pressure test port using a
3/16” hex key (Figure 27).
2. Thread the extension test fit-
ting into the open port
(Figure 28).
3. Attach a pressure gauge onto
the fitting.
4. When testing is complete shut
off the gas, remove the fitting
and replace the plug. Thread
sealant will be required to
ensure a gas tight connection.
Pressure test
extension fitting
Figure 28: Pressure test extension.
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