Installation Guide
14
INSTALLATION
For changing from propane to natural gas supply:
1. Overturn chassis, See Figure 15.
2. For NATURAL GAS, press knob using a at screw driver with a blade the thickness of a quarter and turn knob
clockwise until the knob locks into the NG position (see Figure 16). Fuel selection device must be locked
in the NG position. Do not operate heater between locked positions!
3. Remove hex plug (with wrench provided) from natural gas inlet of regulator and install into LP inlet of regulator;
use thread sealant to assure there are no leaks.
For changing from natural gas supply to propane supply:
1. Overturn chassis, See Figure 15.
2. For propane gas, press in knob using a at screw driver with a blade the thickness of a quarter and turn knob
counterclockwise until the knob locks into the LP position, see Figure 17. Fuel selection device must be
locked in the LP position. Do not operate heater between locked positions.
3. Remove hex plug from liquid propane inlet of regulator and install into NG inlet of regulator; use thread sealant
to assure there are no leaks.
Figure 15
Figure 17
Figure 16
CAUTION: Two gas line installations at the same time are prohibited. The access plate to the simple switching means
shall not be opened while the heater is in operation.
This appliance can be used with propane or natural gas. It is shipped from the factory adjusted for use with propane.
Only a qualied installer or service technician can perform gas selection and connecting to gas supply.
CAUTION: To avoid gas leakage at the inlet of regulator, a qualied installer or service technician must use
steel or metal hex plug with sealant.
WARNING: Do not attempt to access or change the setting of the fuel selection means
Access to and adjustment of the fuel selection means must only be performed by a qualied service person when
connecting this appliance to a specied fuel supply at the time of installation.
Change of the selector setting to other than the fuel type specied at the time of installation could damage this ap-
pliance and render it inoperable.
The instaler shall replace the access cover before completing the installation and operating this appliance.










