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The Navien NHB-150 is a high-efficiency condensing heating boiler.
High efficiency condensing
Dual stainless steel heat exchangers
SCH40, 2" venting up to 65'
3" venting up to 150'
TDR up to 7:1
Built-in zoning control
Smart controls LCD display, quick dial wheel & Setup Wizard
Mid-City Product ID: 487544
Manufacturer: Navien Inc.
Manufacturer Part Number: NHB-55H
UPC: 884954939452
Dimensions: 17.3" W x 23.8" H x 12.8" D (43.9cm W x 60.5cm H x 32.5cm D)
Boiler weight: 73 lbs (33.1 kg)
Installation location: Indoor wall-hung
Venting type: Forced draft direct vent
Max Vent Length: 2" PVC venting up to 65', 3" up to 150'
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 13.5 " WC (1.99 kPa to 3.36 kPa)
Natural gas manifold pressure: -0.11 " WC (-0.027 kPa)
Propage gas manifold pressure: -0.11 " WC (-0.027 kPa)
Gas Inlet Connection Sizes: 3/4" NPT (male)
Main Power Supply: 120V AC, 60Hz
Max Power Consumption: Less than 10A
Casing Material: Cold rolled carbon steel
Heat Exchanger Material: Stainless Steel
Exhaust Venting: 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)
Intake Venting: 2" or 3" PVC, CPVC, polypropylene 2" or 3" special gas vent type BH (Class III, A/B/C)
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)
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