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PNAV000036 Navien NCB-240 Gas Fired Water Boiler, 95 % AFU (...)

Navien Gas Fired Water Boiler, NCB Series, 120 VAC, 200 W, 60 Hz, 95 % AFUE Rating, 18000 to 120000 Btu/hr Space, 18000 to 199900 Btu/hr Domestic Hot Water, 4.5 gpm Flow Rate, 12 to 30 psi, 15 to 150 psi (Hydronic/DHW) Water, 3.5 to 10.5 in-WC Natural Gas Supply, 8 to 13.5 in-WC Propane Gas Supply, 1 in NPT Supply/Return, 3/4 in NPT Gas Connection, Liquid Propane Gas, Natural Gas Fuel, Forced Draft Direct Vent, Chimney/Breeching/Vent Size: 2 in, Electronic Ignition, 97 MBtu/hr Net BTU Rating, Wall Hung Mounting, Carbon Steel, White, 86 to 140 deg F, 28 in H x 17 in W x 12 in D

Navien NCB is the first high efficiency tankless condensing combination boiler with the capacity to supply both heat and domestic hot water for larger homes - enough hydronic heat for a whole house, plus hot water to run 2 showers and a dishwasher all at the same time. The Navien NCB saves installation time and reduces call backs. In addition, the NCB takes up 80% less space than a traditional floor standing boiler and tank water heater.

Manufacturer: NAVIEN INC

Product Features

  • Navien condensing technology offers the high efficiency
  • Money and energy savings over tank type water heaters and traditional water heaters
  • Provides longer life expectancy as they are highly-resistant to corrosion and erosion compared to copper heat exchangers
  • Reduces minerals deposits
  • New metal fiber burner is designed to deliver a consistent air/gas mixture improving combustion efficiency
  • Result in less acid rain and less green house effect
  • The negative pressure gas valve and fan with dual venturi operation allows for better adaptability to low gas pressure applications
  • NCB models allow for easy convertibility from NG to LP
  • Heats water when needed, making it environmentally sound as well as cost efficient
  • Offers silent heating because no blowers are needed for forced circulation
  • Radiant heat in the floors can transmit warmonths throughout the house hrs after turning off the heater
  • Automatically fills water into space heating pipes when the unit senses a water shortage
  • The Combi's built-in control system is designed to keep the unit's plumbing frost free in winter conditions
  • Stainless steel heat exchanger

Product Attributes

PNAV000036
Series NCB Series
Voltage Rating 120 VAC
Power Rating 200 W
Frequency Rating 60 Hz
AFUE Rating 95%
BTU Rating 18000 to 120000 Btu/hr Space, 18000 to 199900 Btu/hr Domestic Hot Water
Flow Rate 4.5 gpm
Pressure Rating 12 to 30 psi, 15 to 150 psi (Hydronic/DHW) Water, 3.5 to 10.5 in-WC Natural Gas Supply, 8 to 13.5 in-WC Propane Gas Supply
Connection Type 1 in NPT Supply/Return, 3/4 in NPT Gas
Fuel Type Liquid Propane Gas, Natural Gas
Vent Type Forced Draft Direct
Chimney/Breeching/Vent Size 2 in
Ignition Type Electronic
Net BTU Rating 97 MBtu/hr

Availability