Safety
3
IMPORTANT SAFETY INFORMATION
D A N G E R
FLAMMABLES
Flammable Vapors
Water heater has a main
burner flame.
The main burner flame:
1. which can come on
at any time and
2. will ignite flammable
vapors.
Vapors:
1. cannot be seen,
2. are heavier than air,
3. go a long way on the
floor and
4. can be carried from
other rooms to the
main burner flame by
air currents.
Vapors from flammable
liquids will explode and
catch fire causing death or
severe burns.
Do not use or store flammable
products such as gasoline,
solvents or adhesives in the
same room or area near the
water heater.
Keep flammable products:
1. far away from heater,
2. in approved containers,
3. tightly closed and
4. out of children's reach.
Installation:
Do not install water heater
where flammable products will
be stored or used unless the
main burner flame is at least
18" above the floor. This will
reduce, but not eliminate, the
risk of vapors being ignited
by the main burner flame.
Read and follow water heater warnings and instructions. If
owners manual is missing, contact the retailer or manufacturer.
Water Heater Venting Safety
3
DANGER:
Failure to install and properly
vent the water heater to the outdoors as outlined in
the
“Venting”
section of the Installation Instructions in
this manual will result in death from fire, explosion, or
asphyxiation from carbon monoxide. NEVER operate
this water heater unless it is properly vented and has
an adequate air supply for proper operation.
Be sure to inspect the vent terminal, the air intake,
and the vent system on the water heater for proper
installation at initial start-up and at least annually
thereafter. Refer to the
“Care and Cleaning”
section
of this manual for more information regarding vent
system inspection.
WARNINGS:
• Gasoline and other flammable liquids, materials,
and vapors (including paint thinners, solvents,
and adhesives) are extremely dangerous. DO NOT
handle, use, or store gasoline or other flammable or
combustible materials anywhere in the vicinity of a
water heater or any other appliance. Be sure to read
and follow the labels on the water heater, as well
as the warnings printed in this manual. Failure to
do so can result in death, bodily injury, or property
damage.
• Combustible construction refers to adjacent walls
and ceilings and should not be confused with
combustible or flammable products and materials.
Combustible materials, such as clothing, cleaning
materials, or flammable liquids, should never be
stored in the vicinity of this or any gas appliance.
Fire or explosion can occur causing death, personal
injury, and/or product damage. See page 29 for
clearances to combustible materials.
• Follow vent manufacturer’s instructions for venting
installation, including additional clearances from
combustibles, to avoid conditions that can lead to
death, personal injury, and/or property damage.
• Use tankless water heater manufacturer-approved
Schedule 40 PVC (foam core is not permitted at any
time), Schedule 80 PVC, CPVC, ABS, polypropylene,
or UL 1738-listed Category III Stainless Steel. No
other vent material is permitted.
• Moisture in the flue gas will condense as it leaves
the vent terminal. In cold weather this condensate
can freeze on the exterior wall, under the eaves, and
on surrounding objects. Some discoloration to the
exterior of the building is to be expected. However,
improper location or installation can result in severe
damage to the structure or exterior finish of the
building.
• For multiple-unit installation, a minimum distance
between vent terminations must be maintained to
prevent recirculation of vent gases. See page 39 for
information on venting and clearances to multiple
terminations.
CAUTIONS:
• Ensure that the appliance vent is securely glued and
attached to the vent connection on the top of the
water heater. DO NOT USE SCREWS.
• Do not operate without the condensate drain
connected and routed to the proper drain.
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