The most advanced condensing tankless water heaters in the industry with exclusive ComfortFlow® technology for continuous hot water.
| Item |  NPE-240A |
|
|---|---|---|
| Summary |
|
|
| Heat Capacity (input) | Natural gas | 19,900 – 199,900 (BTU/H) |
| Propane gas | 19,900 – 199,900 (BTU/H) | |
| Efficiency Ratings | UEF (NG & LP) | 0.96 |
| EF (Canada NG & LP) | 0.97 | |
| 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 | 5.6 GPM (21.2 L/m) | |
| Dimensions | 17.3″ W x 27.4″ H x 13.2″ D | |
| Weight | 82lbs (37kg) | |
| 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), < 0.01 GPM (0.04 L/m) option for “A” models* | |
| 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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Exclusive built-in recirculation system included on all NPE-A models.
Navien ComfortFlow® is the first and only system that incorporates a built-in insulated buffer tank and recirculation pump.
The buffer tank eliminates the “cold water sandwich” effect and issues of minimum flow rates commonly found in other tankless water heaters. The recirculation pump saves on water bills by reducing the time to get hot water. When activated, the optional ComfortFlow mode results in additional energy usage.
ComfortFlow® recirculates hot water through supply lines, eliminating wait time for hot water.
Front Panel Control Center
Self-diagnostics.Cascade up to 16 units withNavien Ready-Link® technology.
Common vent up to 8 units
Optional Wi-Fi remote control system
NaviLink makes it easy to communicate with your Navien systems anywhere internet service is accessible. The NaviLink module attaches easily to any new or existing* Navien NPE Series tankless water heater, NCB-E Series combi‐boiler and NHB Series boiler.
Optional hot water activation
system for all NPE-A units
At the push of a button, the Navien HotButton hot water system activates the internal recirculation pump and gas-fired burner to heat water in the supply lines to provide hot water whenever it’s needed.
The H2Air Kit utilizes the NPE-A pump to circulate the hot water for the hydronic air handler. This removes the need to purchase an additional circulator for the heating system.
Designed for retrofit and new construction, the Navien H2Air Kit™ includes an add-on controller to integrate space heating and DHW between any NPE-A series tankless water heater and a hydronic air handler.
Greg Lindsay
My furnace broke mid February and from the first call Cozy Comfort Plus exceeded my expectations and it was the best customer service experience I've had in a very long time. They had someone here within two hours who very knowledgeable and gave me several options. I ended up deciding to replace my furnace and they had it done the next day. From my first contact on the phone, to the technician to the installation staff they were all professional, responsive and truly a pleasure to work with. In a little over 24 hours the heat was back on and at a very fair price.
I cannot recommend them highly enough as it's a stressful time when your furnace goes mid February. They even submitted the rebates before I had a chance to call them the next day!! All I can say is WOW.
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Franco De SimoneI found Cozy Comfort very professional and also efficient, their team was organised and friendly. We have been with Cozy Comfort for many years and are very satisfied with them.
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Santa CruzI had a great experience with Brian from Cozy Comfort from initial phone consultation, followed by in home visit on the same night to ensure right furnace was selected as my old one had quit. Great price was competitive and install performed 1 day later and everything works mint! Will definitely use these guys again.
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