Navien NPE-240A2-NG NPE-240A2 High Efficiency Condensing Tankless Water Heater

Product Description

The NAVIEN NPE-240A2-NG is a high-efficiency condensing tankless water heater. It features 2″ PVC venting up to 75 feet and a Vent Installation Detector (VID) for added safety. The dual venturi system creates better combustion control and turndown ratio. It has dual stainless steel heat exchangers for added durability and an EZNav multi-line control with built-in intuitive software.

• ½” gas pipe capable up to 24′
• Field convertible gas system
• Ultra condensing efficiency

Product Highlights

This tankless water heater provides an endless supply of hot water on demand. It is designed for easy installation and maintenance.

Product Information

Standard Information

• Brand: NAVIEN
• Manufacturer Part Number: NPE-240A2-NG

Technical Specifications

• Heat Capacity (input) Natural gas: 13,300 – 199,900 BTU/h (3.9 – 58.57 kWh)
• Heat Capacity (input) Propane: 13,300 – 199,900 BTU/h (3.9 – 58.57 kWh)
• UEF (NG & LP): 0.95
• 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: 5.6 GPM (21.2 l/m)
• 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: 77 lbs (34.9 kg)
• Installation location: Indoor or outdoor wall-hung
• Venting type: Forced draft direct-vent
• Ignition: Electronic ignition
• Water pressure: 15-150 PSI (1.05-10.55 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 (1.9 l/m), < 0.01 GPM (0.04 l/m) option*
• Cold water inlet: 3/4″
• Hot water outlet size: 3/4″
• Gas inlet: 3/4″
• Main supply: 120V AC, 60 Hz
• Maximum power consumption: 200 W (max 2 A), 350 W (max 4 A) with external pump connected
• Casing: Cold rolled carbon steel
• Heat exchangers Primary heat exchanger: stainless steel
• Heat exchangers Secondary heat exchanger: stainless steel
• Exhaust: 2″ or 3″ PVC, CPVC, approved polypropylene and stainless steel 2″ or 3″ special gas vent type BH (Class II, A /B/C)
• Intake: 2″ or 3″ PVC, CPVC, approved polypropylene and stainless steel 2″ or 3″ special gas vent type BH (Class II, A /B/C)
• Vent clearances: 0″ to combustibles
• High elevations: 10,100 feet for both NG or LP gas
• Safety Devices: Flame rod, APS, ignition operation detector, water temperature high limit switch, exhaust temperature high limit sensor, power surge fuse, burner high limit fuse, vent installation detector (VID)
• Gas Pipe: 0.5″ up to 24 feet and 2″ up to 75 feet
• Gas Type: Natural gas or liquid propane (kit included)
• Installation: Indoor or Outdoor installs. Outdoor installs will need a vent cap
• Heat Exchangers: Stainless steel heat exchangers – dual
• Emissions: Ultra condensing and low emissions
• Flow Rate: 8.7 GPM at 45 degree temperature rise
• Recirculation: Included with internal mini buffer tank
• Water and Gas Inlet: 3/4″
• Minimum BTU: 13,300 BTU/h
• Maximum BTU: 199,000 BTU/h
• Minimum Temperature: 98°F
• Maximum Temperature: 140°F
• Max Flow Rate: 11.2 GPM at 35°F rise
• Voltage Required: 120V AC
• Venting: 2” or 3” PVC, CPVC, or 2”-3” special gas vent type BH
• Electric Ignition: Electric Ignition
• Wi-Fi Connectivity?: Yes, via NaviLink
• Recirculation Pump Compatible?: Built-in recirculation pump
• Condensing Unit?: Yes
• Water Flow Controls: ComfortFlow system with pump, buffer tank, and sensors
• Key Safety Components: Flame rod detection, high-limit water & exhaust switches, vent installation detector (VID)
• Best Optional Accessories: H2Air kit for recirculation, PeakFlow anti-scale system, ReadyLink rack for multiple units
• Automated Descaling?: No, but has internal pump and Descale Mode
• Energy Star Certified?: Yes
• Connection Sizes – Gas supply: ¾” NPC
• Connection Sizes – Cold water inlet: ¾” NPC
• Connection Sizes – Hot water inlet: ¾” NPC
• Connection Sizes – Condensate outlet: ½”