Residential Boilers
-50%
Navien NCB-H Series High Efficiency – Condensing – Combi Gas Boiler – 130 MBH – 15:1 DHW
- 130 MBH heating input with 95% AFUE condensing efficiency
- Up to 10.4 GPM domestic hot water with 15:1 DHW turndown
- Stainless steel heat exchanger built for condensing operation
- Direct-vent sealed combustion, PVC or polypropylene venting
- Natural gas or propane operation
- Wall-mount cabinet only 12-4/5 in. deep
- ENERGY STAR qualified, electronic ignition
- 120V single-phase power
-50%
Navien NFB-H Series 199K BTU – High Capacity – Condensing Fire Tube Boiler – 95%
- 2" up to 60 ft and 3" up to 150, PVC, CPVC, PP, SS
- Common venting up to 8 boilers and cascading up to 16 boilers
- Patented SS Firetube Heat Exchanger w/non-metallic condensate dish
- Built-in 3 zone valves and 3 zone pumps controls
- 10:1 Turndown Ratio
- 15 yr HX, 5 yr parts, 1 yr labor residential warranty
- 10 yr HX, 3 yr parts, 1 yr labor commercial warranty
- Direct venting (2 pipes) and non-direct venting (1 pipe)
- Approved for high elevation up to 10,100 ft.
- Glycol up to 50%
-50%
Navien NFC-H Series 175K BTU – High Efficiency – Condensing Combi-Boiler – 15:1 DHW
- 175,000 BTU/h input, 95% AFUE condensing combi-boiler
- 5.4 GPM domestic hot water with 15:1 turndown
- Fire tube heat exchanger with 4.5 gal water volume
- Direct-vent sealed combustion, sidewall or vertical venting
- Natural gas or propane operation
- Residential and light commercial applications
- ENERGY STAR qualified with electronic ignition
- Wall-mount cabinet, 33-1/2 in. H x 17-3/10 in. D
-50%
Navien NHB-H Series 55 MBH – High Efficiency Condensing – Heating Boiler
- 55,000 BTU/h input with 95% AFUE condensing efficiency
- Deep modulation for small, low-heat-loss spaces
- Low-NOx burner meets strict emissions requirements
- Heating-only design, pairs with an indirect DHW tank
- Direct-vent sealed combustion, no chimney required
- Natural gas or propane operation
- Compact 24 in. indoor wall-mount cabinet
- ENERGY STAR qualified, 120V electronic ignition