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Navien NPN User Manual

Navien NPN
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3Safety Information
The following safety symbols are used in this
manual. Read and follow all safety instructions in
this manual precisely to avoid unsafe operating
conditions, fire, explosion, property damage,
personal injury, or death.
DANGER
Indicates an imminently hazardous situation
which, if not avoided, could result in severe
injury or death.
WARNING
Indicates a potentially hazardous situation
which, if not avoided, could result in injury or
death.
CAUTION
Indicates a potentially hazardous situation
which, if not avoided, could result in property
damage.
DANGER
If you smell gas:
Do not try to light any appliance.
Do not touch any electrical switches or use
landline phones.
From a neighbors phone, call your gas
provider and follow their instructions.
If you cannot reach your gas provider, call the
fire department.
Do not use or store flammable products,
such as gasoline, solvents, or adhesives in
the same room or area as the water heater.
The water heater has a main burner flame
that can turn on at any time and can ignite
flammable vapors. Vapors from flammable
liquids can explode and catch fire, causing
death or severe burns.
Vapors cannot be seen and are heavier than
air. They can travel long distances along the
ground and can be carried from other rooms
to the water heaters main burner flame by air
current.
Keep all flammable products far away from
the water heater and store them in approved
containers. Keep the containers closed tightly
and out of the reach of children and pets.
1. Safety Information

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Navien NPN Specifications

General IconGeneral
TypeTankless
Fuel TypeNatural Gas or Propane
EfficiencyUp to 0.96 UEF
Voltage120V
Temperature Range98°F - 140°F
Installation TypeIndoor/Outdoor
Max GPM11.2 GPM
Gas Connection3/4 inch NPT
Water Connection3/4 inch NPT
Vent Size2 inch or 3 inch PVC/CPVC
Warranty15 years heat exchanger, 5 years parts

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