100263111
January 2015
Residential Gas
Water Heater
Installa on Instruc ons and
Use & Care Guide
Keep this manual in the pocket on heater for future reference whenever maintenance, adjustment or service is required.
Retain your original receipt as proof of purchase.
Residen al Atmospheric Gas Water Heater
with the Flame Lock
®
Safety System
DO NOT RETURN THIS UNIT TO THE STORE
Read this manual and the labels on the water heater before you install,
operate, or service it. If you have di
ffi
culty following the direc ons, or
aren’t sure you can safely and properly do any of this work yourself:
• Call your Lowe’s® store to have this water heater installed. Lowe’s® Professional
Installa on is available for this product and the work is guaranteed.
• Schedule an appointment with a quali
fi
ed person to install your water heater.
• Call our Technical Assistance Hotline at
. We can help you with installa on, opera-
ons, troubleshoo ng, or maintenance. Before you call, write down the model and
serial number from the water heater’s data plate.
Incorrect installa on, opera on, or service can damage the water heater, your house
and other property, and present risks including
fi
re, scalding, electric shock, and
explosion, causing serious injury or death.
Do not store or use gasoline or other
fl
ammable 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 build-
ing.
• Immediately call your gas supplier
from a neighbor’s phone. Follow the
gas supplier’s instruc ons.
• If you cannot reach your gas sup-
plier, call the
fi
re department.
Installa on and service must be per-
formed by a quali
fi
ed installer, service
agency or the gas supplier.
WARNING: If the informa on in
these instruc ons is not followed
exactly, a
fi
re or explosion may
result causing property damage,
personal injury or death.
LOW LEAD
CONTENT
Table of Contents Page
IMPORTANT SAFETY INFORMATION ............................................. 3
GETTING STARTED ........................................................................ 7
INSTALLATION ............................................................................. 14
OPERATION ................................................................................. 23
TROUBLESHOOTING ................................................................... 25
MAINTENANCE ........................................................................... 28
NOTES ......................................................................................... 31
REPAIR PARTS ............................................................................. 35
Summary of Contents for 50T12-40NG
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