For changing from propane to
natural gas supply:
1. Remove 2 screws from cover plate located
on the back side of heater. Remove to
expose fuel selection device.
2. For NATURAL GAS, press in knob using
a flat screwdriver with a blade with thick-
ness of a quarter and turn knob clockwise
until the knob locks into the NG po-
sition (see Figure 5). Fuel selection device
must be locked in the NG position. Do not
operate heater between locked positions!
3. Replace cover over fuel selection device
and reinstall screws.
4. Remove hex plug (with wrench provided)
from natural gas inlet of regulator and
discard (see Figure 5). Install gas line into
NG inlet of regulator. Use thread sealant
to assure there are no leaks.
Fuel Selector Knob
NG
Fuel Selector Knob
NG
10
INSTALLATION
LP
Back of Heater
Figure 5 - Settings for Natural Gas Selection
LP
Back of Heater
Figure 6 - Settings for Propane/LP Gas Selection
www.sureheat.com
For changing from natural gas
supply to propane supply:
1. Remove 2 screws from cover plate located
on the back side of heater. Remove to
expose fuel selection device.
2. For PROPANE GAS, press in knob using a
flat screwdriver with a blade the thickness
of a quarter and turn knob counterclock-
wise
until the knob locks into the
LP position (see Figure 6). Fuel selection
device must be locked in the LP position.
Do not operate heater between locked
positions.
3. Replace cover over fuel selection device
and reinstall screws.
4. Remove hex plug (with wrench provided)
from propane/LP gas inlet of regulator
(see Figure 6). Install hex plug into NG
inlet of regulator. Install gas line into LP
inlet of regulator. Use thread sealant to
assure there are no leaks.
Gas Connection Fitting
NG
Hex Plug
Gas Inlet
Gas esté
LP
Side of Heater
Hex Plug
NG
Gas
Gas Inlet
Connection
Gas esté
Fitting
LP
Side of Heater
200083-01A