Description
Navien NPE-Standard Series Condensing Tankless Water Heaters
Item | NPE-240S |
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Summary |
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Heat Capacity (input) | Natural gas | 19,900 – 199,900 (BTU/H) |
Propane gas | 19,900 – 199,900 (BTU/H) | |
Efficiency Ratings | UEF (NG & LP) | 0.97 |
EF (Canada NG & LP) | 0.99 | |
Flow rate (DHW) | 35°F (19°C) temp rise | 11.2 GPM (42.4 L/m) |
45°F (25°C) temp rise | 8.7 GPM (32.9 L/m) | |
67°F (37°C) temp rise | 5.7 GPM (21.6 L/m) | |
Dimensions | 17.0″ W x 27.4″ H x 13.2″ D | |
Weight | 75lbs (34kg) | |
Installation Type | Indoor or outdoor wall-hung | |
Venting Type | Forced draft direct vent | |
Ignition | Electronic ignition | |
Water Pressure | 15.0-150.0 psi | |
Natural gas supply pressure (from source) | 3.5″ WC to 10.5″ WC | |
Propane gas supply pressure (from source) | 8″ WC to 13″ WC | |
Natural gas manifold pressure (min-max) | -0.05″ WC to -0.58″ WC | |
Propane gas manifold pressure (min-max) | -0.1″ WC to -0.78″ WC | |
Minimum flow rate | 0.5 GPM (1.9 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 |
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