Combi-Boiler

This powerful and compact combi-boiler is the first true combination high-efficiency condensing tankless water heater and boiler system that can heat your home while supplying all the hot water you need for daily life. It’s high efficiency means you won’t spend more on gas than you have to. This unit is also perfect for upgrading your current system to gain more space in your utility room!

Fuel Source

Natural Gas / Propane Gas

Efficiency

95%

Output

Endless

Manufacturer

Navien

Go Tankless!

A tankless water heater is an on-demand system that delivers an endless supply of hot water to multiple locations in your home without the need for a holding tank. Unlike traditional storage tank-style heaters, it heats water instantly as needed using a gas-powered heat exchanger, ensuring continuous hot water for simultaneous tasks without temperature fluctuations. This compact, wall-mounted unit enhances energy efficiency by eliminating the need to keep gallons of water hot, making it a popular, space-saving choice for homeowners.

One unit does it all

Heat the entire house, plus have hot water for two showers and a dishwasher at the same time, all with one small, high capacity unit.

Merging the mechanics

Seamless integration with existing baseboard radiator heating systems makes this a cost efficient alternative.

Technically in-sync

Cutting edge tech can handle the latest hydronic radiant floor heating technology.

Size matters

The compact design fits well in tight spaces, unlike a bulky traditional boiler system or a 40-60 gallon water heater.

Let it flow

The separate heat exchanger for domestic hot water creates the highest flow rate in the industry, making it suitable for even the largest home.

Warm House, Endless Hot Water

One system heats your house and supplies all the hot water you and your family need!

Combi-boiler Information

Request a free consultation to find out which Navien Combi-Boiler is perfect for your home.

NCB – 180E

Space Heating:

14,000 – 80,000 (BTU/H)

Domestic Hot Water:

14,000 – 150,000 (BTU/H)

Flow Rate:

(DHW) – 77°F (43°C)

Temp rise:

3.4 GPM (12.9 L/m)

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

NCB – 210E

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)

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

NCB – 240E

Space Heating:

18,000 – 120,000 (BTU/H)

Domestic Hot Water:

18,000 – 199,900 (BTU/H)

Flow Rate:

(DHW) – 77°F (43°C)

Temp rise:

4.5 GPM (17.0 L/m)

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

On Demand

Endless hot water and heat exactly when you need it.

Energy Efficient

Maximum comfort using minimum energy.

Compact Design

Small and powerful for your entire home.

The Modern Tank

Today’s water heaters are more energy efficient than ever.

Made with top-of-the-line insulation, our gas and electric water heaters are energy efficient and provide your home with consistent hot water.

Combi-boiler

Fuel Source

Efficiency

Output

Manufacturer

Go Tankless!

One unit does it all

Heat the entire house, plus have hot water for two showers and a dishwasher at the same time, all with one small, high capacity unit.

Merging the mechanics

Seamless integration with existing baseboard radiator heating systems makes this a cost efficient alternative.

Technically in-sync

Cutting edge tech can handle the latest hydronic radiant floor heating technology.

Size matters

The compact design fits well in tight spaces, unlike a bulky traditional boiler system or a 40-60 gallon water heater.

Let it flow

The separate heat exchanger for domestic hot water creates the highest flow rate in the industry, making it suitable for even the largest home.

Warm House, Endless Hot Water

One system heats your house and supplies all the hot water you and your family need!

Combi-boiler Information

Request a free consultation to find out which Navien Combi-Boiler is perfect for your home.

NCB – 180E

Space Heating:

14,000 – 80,000 (BTU/H)

Domestic Hot Water:

14,000 – 150,000 (BTU/H)

Flow Rate:

(DHW) – 77°F (43°C)

Temp rise:

3.4 GPM (12.9 L/m)

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

NCB – 210E

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)

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

NCB – 240E

Space Heating:

18,000 – 120,000 (BTU/H)

Domestic Hot Water:

18,000 – 199,900 (BTU/H)

Flow Rate:

(DHW) – 77°F (43°C)

Temp rise:

4.5 GPM (17.0 L/m)

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

On Demand

Endless hot water and heat exactly when you need it.

Energy Efficient

Maximum comfort using minimum energy.

Compact Design

Small and powerful for your entire home.

The Modern Tank

Today’s water heaters are more energy efficient than ever.

Made with top-of-the-line insulation, our gas and electric water heaters are energy efficient and provide your home with consistent hot water.

Get started today with 2 months FREE!

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

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

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