Navien Tankless Water Heater NPE-240S Premium Advanced Condensing Water Heater

Description

Item
NPE-240S
Heat Capacity (input)
Natural gas
19,900 - 199,900 BTU/H (5.831 - 58.571 kWh)
Propane
19,900 - 199,900 BTU/H (5.831 - 58.571 kWh)
Efficiency ratings
UEF (NG & LP)
0.97
Flow rate (DHW)
35°F temp rise
11.2 GPM (42.4 l/m)
45°F temp rise
8.7 GPM (32.9 l/m)
67°F temp rise
5.7 GPM (21.6 l/m)
Dimensions
17.0" W x 27.4" H x 13.2" D (43.2cm W x 69.6cm H x 33.5cm D)
Boiler weight
75 lbs (34 kg)
Installation type
Indoor or outdoor wall-hung
Venting type
Forced draft direct vent
Ignition
Electronic ignition
Water pressure
15 - 150 PSI (1.055 - 10.545 kg/cm
2
)
Natural gas supply pressure (from source)
3.5 " WC - 10.5 " WC (0.87 Kpa - 2.61 Kpa)
Propane gas supply pressure (from source)
8 " WC - 13 " WC (1.99 Kpa - 3.23 Kpa)
Natural gas manifold pressure (min-max)
-0.05 " WC - -0.58 " WC (-0.012 Kpa - -0.14 Kpa)
Propane gas manifold pressure (min-max)
-0.1 " WC - -0.78 " WC (-0.025 Kpa - -0.19 Kpa)
Minimum flow rate
0.5 GPM (1.893 l/m)
Connection sizes
Cold water inlet
3/4"
Hot water outlet size
3/4"
Gas inlet
3/4"
Power supply
Main supply
120V AC, 60Hz
Maximum power consumption
200W (max 2A), 350W (max 4A) with external pump connected
Materials
Casing
Cold rolled carbon steel
Heat exchangers
Primary heat exchangers: stainless steel, secondary heat exchangers: stainless steel
Venting
Exhaust
2" or 3" PVC, CPVC, polypropylene / 2" or 3" special gas vent type BH (Class II, A/B/C)
Intake
2" or 3" PVC, CPVC, polypropylene / 2" or 3" special gas vent type BH (Class II, A/B/C)
Vent clearances
0" to combustibles
Safety Devices
Flame rod, APS, ignition operation detector, water temperature high limit switch,exhaust temperature high limit sensor, power surge fuse
Navien reserves the right to change specifications at any time without prior notice.