Instructions are for conversion from Natural Gas to Propane (L.P.) on all models GHP, GHPW and
GHPWS.
The conversion should be done before connecting the unit to the gas supply.
Units are shipped from the factory equipped for use on natural gas. Orifices necessary for LP
(propane) are provided in a bag tied to the valve on the front panel.
o Remove the knobs and front panel.
o Remove the orifice fittings from the valve. Change the orifices to the size recommended for
propane (L.P).
o Replace the orifice fittings into the valve.
To change the regulator:
6. CONVERSION
8