Navien High Efficiency Condensing Heating Boiler Max Htg Input: 55,000 BTU/h, Indoor Wall-Hung, Residential/Commercial

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Navien NHB-55H Condensing Heating Boiler, 55,000 BTU, Indoor Wall-Hung, NG/LP Convertible - NHB-H Series, up to 15:1 Turndown

Name: Navien NHB-55H Condensing Heating Boiler, 55,000 BTU, Indoor Wall-Hung, NG/LP Convertible - NHB-H Series, up to 15:1 Turndown
Brand: Navien
SKU: NAVI-NHB-55H
Price: 2767.50 USD
Availability: InStock

NavienSKU: NAVI-NHB-55H

Price:

$2,767.50

Stock:

In stock (12 units), ready to be shipped

Quantity:

Ships UPS Ground for a flat $149 (continental US).
Flat rate by order weight: $119 under 70 lb · $149 for 70–100 lb · $189 for 100–150 lb.

Usually ships in 1–2 business days.

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Questions? Call (404) 678-9908 or chat with us.

Ships from Seattle, WA · 30-day returns · Manufacturer warranty

Shipping details

Shipping weight: 80.3 lb
Box size: 19.3 × 25.8 × 14.8 in

Connection sizes (Gas inlet)	3/4" NPT (male)
Natural gas supply pressure (from source)	3.5 " WC to 10.5 " WC
Propane gas supply pressure (from source)	8 " WC to 13.5 " WC
Natural gas manifold pressure	-0.11 " WC
Power supply (Main supply)	120V AC, 60Hz
Power supply (Maximum power consumption)	Less than 10A
Venting (Exhaust)	2" or 3" PVC, CPVC, approved polypropylene (see installation manual for more details) 2" or 3" special gas vent type BH (Class III, A/B/C)
Venting (Intake)	2" or 3" PVC, CPVC, polypropylene 2" or 3" special gas vent type BH (Class III, A/B/C)
Venting (Vent clearances)	0" to combustibles
Dimensions	17.3" W x 23.8" H x 12.8" D
Boiler weight	73 lbs
Materials (Casing)	Cold rolled carbon steel
Materials (Heat exchangers)	Primary and secondary heat exchangers: stainless steel
Safety Devices	Flame rod, APS, gas valve operation detector, ignition operation detector, water temp high limit switch, exhaust temp high limit sensor, Vent Installation Detector (VID)
AHRI number	213313053
Energy star certified	Yes
CSA	Yes
SCAQMD 1146.2 (NOx, <20ppm)	Yes
Propage gas manifold pressure	-0.11 " WC
ASME Certified	Yes "H" Stamp

Which version do I need? This is the newer NHB-H series (up to 15:1 turndown, dual stainless steel heat exchangers, 2" venting up to 65 ft). The original NHB-55 is a different model. See also: Navien NHB-55 Condensing Heating Boiler, 55,000 BTU, Indoor Wall-Hung, NG/LP Convertible - Original NHB Series.

The Navien High Efficiency Condensing Heating Boiler Max Htg Input: 55,000 BTU/h, Indoor Wall-Hung, Residential/Commercial by Navien is part of our condensing boilers selection.