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NCB-E
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Navien NCB-210E Boiler

(367 customer reviews)

  • Max Input: 180,000 BTU/H
  • Indoor or outdoor wall-hung
  • Residential
  • Super condensing efficiency
  • Dual stainless steel heat exchangers
  • SCH40, 2″ PVC venting up to 60′
  • ½” Gas pipe up to 24′
  • Automatic water filling system
  • Integrated controls
Categories: , Tag:

Navien NCB-E is the first high efficiency 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 two showers and a dishwasher all at the same time.

The Navien NCB-E saves installation time and reduces call backs. In addition, the NCB-E takes up 80% less space than a traditional floor standing boiler and tank water heater. Your customer now has more room, saves energy and enjoys all the hot water they need, whenever they want it.

Navien NCB-210E Boiler Brochure

Navien NCB-210E Boiler Manual

Navien NCB-210E Boiler Spec Sheet

NCB-E Series Condensing Combi Boilers

Item Ncb e nv
NCB-210E
Summary
  • Super condensing efficiency
  • Dual stainless steel heat exchangers
  • SCH40, 2″ PVC venting up to 60′
  • ½” Gas pipe up to 24′
  • Automatic water filling system
  • Integrated controls
Gas Input Space heating 18,000 – 100,000 (BTU/H)
Domestic hot water 18,000 – 180,000 (BTU/H)
Flow rate (DHW) 77°F (43°C) temp rise 4.0 GPM (15.1 L/m)
Dimensions 17.0″ W x 28.0″ H x 12.0″ D
Weight 84lbs (38kg)
Installation Type Indoor or outdoor wall-hung
Venting Type Forced draft direct vent
Ignition Electronic ignition
Hydronic water pressure 12.0-30.0 PSI
DHW water pressure 15.0-150.0 PSI
Natural gas supply pressure (from source) 3.5″ WC to 10.5″ WC
Propane gas supply pressure (from source) 8″ WC to 13″ WC
Natural gas manifold pressure (min-max) -0.05″ WC to -0.36″ WC
Propane gas manifold pressure (min-max) -0.1″ WC to -0.66″ WC
Minimum Flow Rate (DHW) 0.5 GPM (1.9 L/m)
Connection Sizes Heating Supply/Return 1″ NPT
DHW inlet/outlet 3/4″ NPT
Gas inlet 3/4″ NPT
Auto feeder 1/2″ NPT
Condensate outlet 1/2″ NPT
Power Supply Main supply 120V AC, 60Hz
Maximum power consumption 200W (max 2A)
Materials Casing Cold rolled carbon steel
Heat exchanger Primary/secondary heat exchanger: stainless steel; DHW heat exchanger: stainless steel
Venting Exhaust 2″ or 3″ PVC, CPVC, approved polypropylene / 2″ or 3″ special gas vent type BH (Class II, A/B/C)
Intake 2″ or 3″ PVC, CPVC, polypropylene / 2″ or 3″ special gas vent type BH (Class II, A/B/C)
Vent clearances 0″ to combustibles
Safety Devices Flame rod, APS, ignition operation detector, water temperature high limit switch,exhaust temperature high limit sensor, power surge fuse
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Advantages

dual-input

Dual inputs of up to 120k BTU/H for heating and 199k BTU/H for DHW
Supplies all the heat and domestic hot water that most houses require.

PVC Ventingpvc-venting

Low exhaust gas temperatures allow use of PVC, CPVC, ULC S636 and polypropylene vent systems, reducing installation time and costs. The system can use 2″ venting for up to 60′, or up to 150′ with 3″ venting.

4.5 GPM@77° temperature rise for domestic hot watergpm

Separate stainless steel flat plate heat exchanger for DHW creates the highest flow rate for any combi boiler in the industry.

Low gas pressure operationlow-gas-pressure

Our negative pressure gas valve ensures maximum performance all the way down to the minimum gas pressure of 3.5″ of the water column.

Turn down ratio of 6:1 for heating and 11:1 for DHWratio
The sophisticated gas flow control system provides a high turndown ratio, reducing energy waste and excessive boiler cycling and enhances temperature control for DHW.

 

Uses existing ½” gas piping

gas-pipesSave time and effort in retrofit applications with ½” gas lines for up to 24′.

 

 

Dual stainless steel heat exchangersdual-heat-exchange

Resist corrosion better than copper to provide longer life.

 

contractor-ncb

Space saving design
Occupies 80% less space than a traditional floor standing boiler and storage tank.

 

Field gas convertibilityfield-gas

Dual venturi system allows for easy field convertibility from NG to LP operation. Orifice for LP conversion included.

 

Linkability

linkabilityFor extraordinarily large domestic hot water flow demand, the NCB-E can be cascaded with our NPE units.

NCB-E Applications

NCB-E Applications

NCB-E Applications

  • Air Handler
  • Hydronic Heating
  • Hydronic fan coil
  • Baseboard radiator
  • Radiant floor

Manifold Kits

Manifold Kits
For fast installation and maximum efficiency, install our system matched manifold kits.

Manifold Kits

Optional Wi-Fi remote control system

Optional Wi-Fi remote control system
NaviLink makes it easy to communicate with your Navien systems anywhere internet service is accessible. The NaviLink module attaches easily to any new or existing* Navien NPE Series tankless water heater, NCB-E Series combi‐boiler and NHB Series boiler.

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