75 GALLON ULTRA LOW NOx
SUPPLEMENT TO INSTRUCTION MANUAL
P/N 238-45917-00
Failure to adhere to these installation and operating instructions may
create a hazard to life and property and will nullify the warranty.
(Replaces pg. 28 in instruction manual)
WARNING
Figure 1
238-50429-00A REV 8/13
BURNER FLAME CHECK (Replaces pg. 32 of instruction manual)
These models are equipped with self-adjusting air mixture and do not have an
adjustable air shutter. At periodic intervals, a visual check of the main burner
and pilot flames should be made to determine if they are burning properly.
The main burner flame should light smoothly from the pilot. The burner flame
should be soft and undefined. After five minutes of burner operation the
burner face should be glowing orange and emitting an orange flame.
Figure 2
2