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Votara

Navien NFB-H Series 199K BTU – High Capacity – Condensing Fire Tube Boiler – 95%

Navien NFB-H Series 199K BTU – High Capacity – Condensing Fire Tube Boiler – 95%

$489.00
$1,398.00 $489.00
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Patented SS Firetube Heat Exchanger

Condensing BoilerFiretube Heat Exchanger · Cascading up to 16 Units

Built with a patented stainless steel firetube heat exchanger and a non-metallic condensate dish, this boiler features built-in 3-zone valves and pumps for flexible hydronic control across residential and commercial installations.

Common venting up to 8 boilers High elevation to 10,100 ft. 15-year heat exchanger warranty
10:1Turndown ratio
16Boilers cascading capable
50%Glycol compatible up to
3Built-in zone valves & pumps

Technical specification

Heat exchanger Patented stainless steel firetube, non-metallic condensate dish
Turndown ratio 10:1
Zone controls Built-in 3 zone valves and 3 zone pumps
Venting — 2 in. Up to 60 ft.
Venting — 3 in. Up to 150 ft.
Venting materials PVC, CPVC, PP, stainless steel
Venting configuration Direct venting (2 pipe) and non-direct venting (1 pipe)
Common venting Up to 8 boilers
Cascading Up to 16 boilers
Elevation Approved up to 10,100 ft.
Glycol compatibility Up to 50%

Warranty

  • Residential: 15-year heat exchanger, 5-year parts, 1-year labor.
  • Commercial: 10-year heat exchanger, 3-year parts, 1-year labor.

Condensing boiler. Follow the installation manual, local gas and plumbing codes, and manufacturer instructions.

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