A.O. Smith 120 Series Installation Instructions Manual

Installation Instructions, and
Use and Care Guide
RESIDENTIAL
CONDENSING GAS
WATER HEATERS
Power Vent / Power Direct Vent Gas Models
Not For Use in Manufactured (Mobile) Homes
⚠
WARNING
Safety Hazard
Improper installa�on, opera�on,
altera�on, or service might cause a
malfunc�on that results in property
damage, personal injury, or death.
Read and understand this instruc�on
manual and the safety messages
before installing, opera�ng, or
servicing this water heater.
This manual must remain with the
water heater.
Place these instructions adjacent to heater and notify owner to keep for future reference.
Keep this manual in the pocket on heater for future reference whenever maintenance adjustment or service is required.
PRINTED 1123
with Hot Surface Ignition
Series 120-121
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.
LOW LEAD
CONTENT
100368549_2000624920B