Natural gas conversion must be performed only by your natural gas provider or service
company.
1. SHUT OFF THE GAS SUPPLY TO THE UNIT AND ANY NEARBY ELECTRICAL
SOURCE OR APPLIANCES
2. Below the burner, carefully disconnect flex connector attached to the orifice holder (see
step1).
3. Carefully unscrew the orifice holder from the burner pipe (see step2).
4. Remove the propane orifice from the holder and replace with the natural gas orifice (see
step2).
5. Install the air shutter over the burner pipe to cover the air holes. Then reattach the orifice
holder to the burner pipe (see step3).
6. Reattach the flex connector to the orifice holder. (see step 4).
7. To convert the regulator from propane to natural gas, the appliance must be isolated from
the gas supply piping system by closing its individual manual shut off valve. Ensure any
pressure testing of the gas supply piping system is at test pressure equal to or less than 1/2
psi(3.5KPA)
8. Remove the propane rubber hose from valve and replace with 5/8" natural gas pipe (see
step5, natural gas pipe package is not provided).
9. Restore your gas supply and check ALL of the connections for leaks using a solution of
soapy water. If a leak is discovered and any bubbles are seen, close the main gas valve and
NATURAL GAS CONVERSION
Flex
connector
Step1
Step3
Air
shutter
NaturalGas
orifice
(2.44mm)
8
Step4
Orifice
holder
Propane
orifice
(1.67mm)