Installation Instructions and Use & Care Guide

RESIDENTIAL GAS WATER HEATERS

HIGH EFFICIENCY ATMOSPHERIC VENT

GAS WATER HEATER

(FLAMMABLE VAPOR IGNITION RESISTANT)

FOR SPACE HEATING AND POTABLE WATER HEATING ONLY.

NOT FOR USE IN MOBILE HOMES.

This water heater complies with ANSI Z21.10.1-current edition regarding the accidental or unintended ignition of flammable vapors, such as those emitted by gasoline.

• Safety Instructions

• Care and Maintenance

• Installation

• Troubleshooting

• Operation

• Parts List

INSTALLER:

AFFIX THESE INSTRUCTIONS TO OR ADJACENT TO THE WATER HEATER.

OWNER:

RETAIN THESE INSTRUCTIONS AND WARRANTY FOR FUTURE REFERENCE. RETAIN THE ORIGINAL RECEIPT AS PROOF OF PURCHASE.

WARNING: Gas leaks can not always be detected by smell.

Gas suppliers recommend that you use a gas detector approved by UL or CSA.

For more information, contact the your gas supplier.

If a gas leak is detected, follow the “WHAT TO DO IF YOU SMELL GAS” instructions.

For Your Safety

AN ODORANT IS ADDED TO THE GAS USED

BY THIS WATER HEATER.

WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.

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.

Installation and service must be performed by a qualified installer, service agency or the gas supplier.

ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED. IF YOU ARE UNSUCCESSFUL, CONTACT RESIDENTIAL TECHNICALASSISTANCE AT 1-800-527-1953 OR WWW.HOTWATER.COM.

PRINTED IN THE U.S.A 0410

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PART NO. 315456-002

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A.O. Smith GAHH-50, GAHH-40, 315456-002 installation instructions Residential GAS Water Heaters