Charmglow 720 Use And Care Manual page 39

GAS CONVERSION
NG Hose and Regulator Conversion
1. Turn all knobs to OFF, and turn off LP supply at cylinder, then take off the brass adapter of LP
regulator from the manifold with a wrench.
2. Attach the NG regulator to the manifold, and screw tightly with the wrench.
3. Connect the 12' NG hose to the NG regulator with the wrench.
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