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Navien NR-180 Service Manual

Navien NR-180
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Service
Manual
Service Manual
NR/NP
Tankless Gas Water Heater
Tankless Gas Water Heater
Ver. 2.00
Navien America, Inc.
20 Goodyear lrvine, CA 92618
TEL +949-420-0420 FAX +949-420-0430
www.naviennamerica.com
MODEL
2
nd
Edition - July 2010
No. 20A-GT-001
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
Installation and service must be performed by a qualified installer,
service agency or the gas supplier.
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 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.
NR-180 NP-180 NR-180A NP-180A
NR-210 NP-210 NR-210A NP-210A
NR-240 NP-240 NR-240A NP-240A
Tankless Gas Water Heater
NR/NP Series
Service
Manual
Service Manual
Service Manual

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Navien NR-180 Specifications

General IconGeneral
CategoryTankless Water Heater
TypeCondensing
Fuel TypeNatural Gas or Propane
Max. Output BTU180, 000 BTU/h
Energy Factor (EF)0.96
Water Connection3/4" NPT
Gas Connection3/4" NPT
Heat ExchangerStainless Steel
Electrical Requirements120V, 60Hz
Efficiency96%
Venting2" PVC/CPVC or 3" Concentric

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