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15
200006-01B
CONNECTING TO GAS SUPPLY
WARNING: A qualified ser-
vice technician must connect
heater to gas supply. Follow all
local codes.
WARNING: This appliance
requires a 3/8" NPT (National
Pipe Thread) inlet connection to
the pressure regulator.
WARNING: For natural gas,
Never connect heater to private
(non-utility) gas wells. This gas
is commonly known as wellhead
gas.
WARNING: Do not over-
tighten gas connections.
Change of the selector setting to other than
the fuel type specified at the time of installa-
tion could damage this appliance and render
it inoperable.
The installer shall replace the access cover
before completing the installation and operat-
ing this appliance.
For changing from propane to
natural gas supply:
1. Remove top screw from cover plate lo-
cated on back of heater (see Figure 15).
Rotate to expose fuel selection device.
2. For NATURAL GAS, press 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
position (see Figure 15). Fuel selection
device must be locked in the NG position.
Do not operate heater between locked
positions!
3. Rotate and close cover over fuel selection
device and reinstall screw.
4. Remove hex plug (with wrench provided)
from natural gas inlet of regulator (see
Figure 15). Install hex plug into LP inlet
of regulator. Install gas line into NG inlet
of regulator. Use thread sealant to ensure
that there are no leaks.
For changing from natural gas
supply to propane supply:
1. Remove top screw from cover plate lo-
cated on back of heater (see Figure 16).
Rotate 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 counterclockwise
until the knob locks into the LP posi-
tion (see Figure 16). Fuel selection device
must be locked in the LP position. Do not
operate heater between locked positions!
3. Rotate and close cover over fuel selection
device and reinstall screw.
4. Remove hex plug (with wrench provided)
from propane/LP inlet of regulator (see
Figure 16). Install hex plug into NG inlet
of regulator. Install gas line into propane/
LP inlet of regulator. Use thread sealant
to assure there are no leaks.
INSTALLATION
NG
LP
INLET
GAS PRESSURE
MAX 1/2 PSIG (3.5 KP
A)
Gas Inlet
Gas esté
Bottom of Heater
Back of Heater
NG
LP
Fuel
Selector
Knob
Hex Plug
Figure 16 - Settings for Propane/LP Gas
Selection
Gas Connection Fitting
NG
LP
INLET
GAS PRESSURE
MAX 1/2 PSIG (3.5 KP
A)
Gas Inlet
Gas esté
Bottom of Heater
Back of Heater
NG
LP
Fuel
Selector
Knob
Hex Plug
Figure 15 - Settings for Natural Gas
Selection
Gas
Connection
Fitting