15:1 TDR
95% AFUE – Energy Star certified
2” venting up to 65’, 3” venting up to 150'
Advanced controls with Intuitive user interface and Setup Wizard
Built-in powered connections for 3 zone valves or 3 zone pumps
Common venting up to 8 units and cascading up to 16 units
Approved for high altitude up to 10,100 ft. (NG and LP), conversion kits included
Patented stainless steel fire tube heat exchanger with non-metallic condensate base
Mid-City Product ID: 421326
Manufacturer: KD Navien
Manufacturer Part Number: NFB-200
UPC: 884954919188
Brand: Navien
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 location: Indoor wall-hung
Venting type: Forced draft direct vent
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 -0.85 " WC (-0.0075 kPa to -0.21 kPa)
Propane gas manifold pressure (min-max): -0.02 " WC to -0.75 " WC (-0.005 kPa to -0.19 kPa)
Gas inlet: 3/4" NPT
Main Power Supply: 120V AC, 60Hz
Maximum power consumption: Less than 15 amperes
Casing Material: Cold-rolled carbon steel
Heat exchanger Material: Stainless Steel
Exhaust Venting: 2" or 3"
Intake Venting: 2" or 3"
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