½" gas pipe capable up to 24'
Field convertible gas system
Ultra condensing efficiency
Dual stainless steel heat exchangers
Low NOx emissions (20ppm)
SCH 40, 2" venting up to 75'
Cascading capable
EZNav multi-line control panel
Built-in HotButton control panel
Common vent up to 12 units
Mid-City Product ID: 421325
Manufacturer: KD Navien
Manufacturer Part Number: NPE-240S2
UPC: 88495492089
Brand: Navien
Capacity (Natural Gas): 13,300 - 199,900 BTU/h (3.897 - 58.571 kWh)
Capacity (Propane): 13,300 - 199,900 BTU/h (3.897 - 58.571 kWh)
Dimensions: 17.3" W x 27.4" H x 13.2" D (43.9cm W x 69.6cm H x 33.5cm D)
Boiler weight: 73 lbs (33.1 kg)
Installation location: Indoor or outdoor wall-hung
Venting type: Forced draft direct-vent
Ignition: Electronic ignition
Water pressure: 15-150 PSI (1.055-10.545 kg/cm2)
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 -0.96 " WC (-0.0075 kPa to -0.24 kPa)
Propane gas manifold pressure (min-max): -0.02 " WC to -0.96 " WC (-0.005 kPa to -0.24 kPa)
Minimum flow rate: 0.5 GPM (1.893 l/m)
Cold Water Inlet Connection: 3/4" NPT
Hot Water Outlet Size Connection: 3/4" NPT
Gas inlet Connection: 3/4" NPT
Main Power Supply: 120V AC, 60 Hz
Maximum power consumption: 200 W (max 2 A), 350 W (max 4 A) with external pump connected
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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