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!

Spec 1 icon

Fuel Source
Natural / Propane Gas

Spec 3 icon

Efficiency
95%

Spec 2 icon

Output
Endless

Spec 4 icon

Manufacturer
Navien

Tankless Water Heater

Combi-boiler

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!

navien home graphic

Combi-boiler Information

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

compact design

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

compact design

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

compact design

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

Request a Consultation
Translate