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Your safety and the safety of others are very important.
We have provided many important safety messages in this manual and on your appliance. Always read and obey all
safety messages.
This is the safety alert symbol.
This symbol alerts you to potential hazards that can kill or hurt you and others.
All safety messages will follow the safety alert symbol and either the word “DANGER” or
“WARNING.” These words mean:
You can be killed or seriously injured if you don’t
immediately follow instructions.
You can be killed or seriously injured if you don’t follow
instructions.
All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you
what can happen if the instructions are not followed.
Important Instructions
• Do not use this appliance if any part has been under water. Immediately call a qualified service technician.
Water heaters subjected to flood conditions or anytime the gas controls, main burner or ignition control have been
submerged in water require replacement of the entire water heater.
• Hydrogen gas can be produced in a hot water system that has not been used for a long period of time (generally
two weeks or more). Hydrogen gas is extremely flammable and can ignite when exposed to a spark or flame. To
prevent the possibility of injury under these conditions, we recommend the hot water faucet be opened for several
minutes at the kitchen sink before using any electrical appliance which is connected to the hot water system. If
hydrogen is present, there will probably be an unusual sound such as air escaping through the faucet as water
begins to flow. Do not smoke or have any open flame near the faucet at the time it is open.
The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California to publish a list of
substances known to the State of California to cause cancer, birth defects, or other reproductive harm, and requires
businesses to warn of potential exposure to such substances.
Warning: This product contains a chemical known to the State of California to cause cancer, birth defects, or other
reproductive harm.
This appliance can cause low-level exposure to some of the substances listed, including formaldehyde, carbon
monoxide, and soot.
Water Heater Safety ............................................................................1-2
Installation Instructions ...................................................................... 3-23
Unpacking the Water Heater ............................................................ 3
Location Requirements .................................................................. 4-5
Condensate Line ........................................................................... 5-6
Vent Pipe System ........................................................................6-15
100,000 - 150,000 BTU/Hr Vent Terminations ............................. 9-11
175,000+ BTU/Hr Vent Terminations ......................................... 12-14
Gas Input Rate ................................................................................ 15
Water System Piping .................................................................15-18
Gas Supply and Piping ............................................................. 19-20
Electrical Connections/Wiring Diagram .....................................21-22
Installation Checklist ....................................................................... 23
Operating Your Water Heater .......................................................... 24-26
Polaris® Operating Instructions ........................................................... 25
Maintenance of Your Water Heater ................................................. 26-27
Troubleshooting .................................................................................... 28
Software Operation Sequence ............................................................. 29
Parts List and Diagram .................................................................... 30-31
Polaris® Models and Dimensions ........................................................ 32
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