238-50463-00H REV 5/18
GAS-FIRED COMMERCIAL WATER HEATER
(Ultra Low NOx)
Ambler, PA 19002
Tech Service (800) 334-3393
Service Parts (800) 538-2020
Warranty Service (800) 531-2111
INSTALLATION/OPERATION MANUAL
WITH TROUBLESHOOTING GUIDE
PLACE THESE INSTRUCTIONS ADJACENT TO WATER HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE
- Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
- WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch;
do not use any phone in your
building.
• Immediately call your gas supplier
from a neighbor’s phone. Follow
the gas supplier’s instructions.
• If you cannot reach your gas
supplier, call the fire department.
- For your family’s comfort, safety and
convenience, it is recommended this
water heater be installed and
serviced by a plumbing professional.
If the information in these
instructions is not followed exactly,
a fire or explosion may result
causing property damage, personal
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