Viessmann B1HE-120 Boiler Custom Pricing Available
Turnkey installationHigh-Efficiency Navien Gas Boiler NFB-175H 175,000 BTU
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Custom Pricing Available
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Buy nowInstallation/replacement covers all necessary materials for operation
A few steps and a new Boiler Navien NFB-175H in your house
Contact us to buy a new boiler. Our team will guide you every step of the way and help you choose the right model.
Once your order is confirmed, we will promptly visit your location and conduct a thorough inspection, ensuring all necessary details are clear.
We will deliver the boiler to you. Our team will handle the installation with efficiency and professionalism, ensuring a seamless setup.
We offer a warranty that covers different parts and services. Even after the warranty expires, you can rely on our post-warranty services.
Technical Characteristics of Navien NFB-175H Boiler
- Heating Input
- Min
- Max
- 13,300 BTU/h (3.9 kWh)
- 175,000 BTU/h (51.3 kWh)
- Heating Capacity
- 160,000 BTU/h (46.9 kWh)
- Net AHRI Rating, Water
- 140,000 BTU/h (41 kWh)
- AFUE
- 95.0
- Water Pressure
- Min
- Max
- 6 PSI (0.4 kg/cm2)
- 80 PSI (5.6 kg/cm2)
- Water Connection Size (Supply, Return)
- 1-1/4″ NPT
- Water volume
- 4.5 gal (17 l)
- Dimensions
- 17.3″ W x 27.6″ H x 17.3″ D (43.9cm W x 70.1cm H x 43.9cm D)
- Boiler weight
- 121 lbs (54.9 kg)
- Installation type
- Indoor wall-hung
- Max Vent Length
- 0 ft ( m)
- Ignition
- Electronic ignition
- Natural gas supply pressure (from source)
- 3.5 ” WC to 10.5 ” WC (0.87 Kpa to 2.61 Kpa)
- Propane gas supply pressure (from source)
- 8 ” WC to 13 ” WC (1.99 Kpa to 3.23 Kpa)
- Natural gas manifold pressure (min-max)
- -0.03 ” WC to -0.7 ” WC (-0.0075 Kpa to -0.17 Kpa)
- Propane gas manifold pressure (min-max)
- -0.02 ” WC to -0.68 ” WC (-0.005 Kpa to -0.17 Kpa)
- Connection sizes
- Gas inlet
- 3/4″ NPT
- Power supply
- Main supply
- Maximum power consumption
- 120V AC, 60Hz
- Less than 15 amperes
- Materials
- Casing
- Heat exchangers
- Cold-rolled carbon steel
- Stainless steel
- Venting
- Exhaust
- Intake
- Vent clearances
- 2″ or 3″ PVC, CPVC, approved polypropylene 2″ or 3″ special gas vent type BH (Class III, A/B/C) 2″ or 3″ stainless steel
- 2″ or 3″ PVC, CPVC, polypropylene 2″ or 3″ special gas vent type BH (Class III, A/B/C) 2″ or 3″ stainless steel
- 0″ to combustibles
- Safety Devices
- Flame rod, APS, ignition operation detector, water temperature high limit switch, exhaust temperature high limit sensor, water pressure sensor
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Navien NFB-175H Boiler Manual
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Boiler Navien NFB-175H Reviews
- Ethan Taylor January 19, 2024
(0 reply) - Riley Hall November 28, 2023
(0 reply)
4 of 2 ReviewsI love the programmable settings on my boiler. I can customize the heating schedule to fit my lifestyle.
Heating is now more efficient and energy bills are lower. Without a doubt, this is the best solution!