6. Confirm the combustion levels at both high fire and
low fire meet the requirements listed in Table 2 on
page 4.
7. Press the “+” and “-” button simultaneously to cancel
high or low fire mode. Test mode will time out in
approximately 10 minutes.
8. Replace offset cover screw.
9. Check the flame pattern through the inspection port
on the left side of the heat exchanger. The flame
should be blue and stable and should be the length
of the burner.
10. Replace the front jacket panel and secure with the
two Phillips head mounting screws at the control
panel.
11. Return appliance back to service.
CHALLENGER
Natural Gas to Propane Instructions
2010-25 CHALLENGER Natural to Propane Inst.
Date 10/6/2016
Offset Pressure
Cover Screw
Throttle Screw
Offset Pressure Port
Inlet Gas Supply
Pressure Port
Flow direction
Fig. 3: Original Gas Valve
Fig. 4: Updated Gas Valve
88382703
