As the leader in condensing technology, Navien has already reinvented the water heating industry with the award-winning NPE tankless water heaters and the NCB combi-boilers. The new NHB boiler series is the next in line of innovations from Navien. All NHB boilers have Navien’s advanced burner system, an industry-leading AFUE of 95% and turn down ratios up to 15:1.
Now available in four sizes NHB 55, NHB 80, NHB 110 and NHB 150.
| Item |  NHB-80 |
|
|---|---|---|
| Summary |
|
|
| Dimensions | 17.0″ W x 24.0″ H x 12.0″ D | |
| Weight | 73lbs (33kg) | |
| Installation Type | Indoor wall-hung | |
| Venting Type | Forced draft direct vent | |
| Ignition | Electronic ignition | |
| 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) | -0.03″ WC | |
| Propane gas manifold pressure (min-max) | -0.03″ WC | |
| Connection Sizes | Gas inlet | 3/4″ NPT (female) |
| Power Supply | Main supply | 120V AC, 60Hz |
| Maximum power consumption | Less than 10A | |
| Materials | Casing | Cold rolled carbon steel |
| Heat exchangers | Primary and secondary heat exchangers: stainless steel | |
| Venting | Exhaust | 2″ or 3″ PVC, CPVC, approved polypropylene (see installation manual for more details) 2″ or 3″ special gas vent type BH (Class III, A/B/C) |
| Intake | 2″ or 3″ PVC, CPVC, polypropylene 2″ or 3″ special gas vent type BH (Class III, A/B/C) | |
| Vent clearances | 0″ to combustibles | |
| Safety Devices | Flame rod, APS, gas valve operation detector, ignition operation detector, water temperature high limit switch, exhaust temperature high limit sensor | |
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NHB Integrated control
The integrated control provides industry-leading options and features in the boiler operation parameters, including:
pacity.Manifold Kits
Navien’s Manifold kits are ideal for hydronic space heating applications. With these manifolds, we have done the piping work for you. Both primary and secondary loop manifold kits are designed to work on all NHB models for fast and clean installations. All you need to add is your own appropriately sized pump
Navien’s two largest condensing boilers, NHB-110 and NHB-150, can be cascaded and common vented
With our cascading technology, when a unit gets up to 80% capacity determined by the supply and return temperatures, the next unit will enable to help meet the hydronic space heating requirements.
This hydronic space heating requirement and demand ratio will continue until all units are generating the needed hydronic space heat up to the maximum cascaded capacity. The Navien cascading system also balances out the workload of each unit for longer life. The NHB is dual certified for single and 2-pipe venting applications.
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.
Jonathan Chan
This company has excellent products and even better service, and it shows through client interaction. They care about their customers and complete their work in a timely fashion. Best of all they leave the work area in cleaner condition than when they arrived.
Their showroom has items you can't even imagine.
I have used Cozy Comfort Plus many times, personally purchased the following from them:
-Furnace
-A/C unit
-Air cleaner and purifier
-Tankless water heater
-Fireplaces (Mantles)
-Fire table and
-BBQ
Brian and his team are my go to.
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Andres JarrinBrian and his team were very professional, the customer service was excellent and their prices are very competitive. One month after the installation of our tankless water heater, everything is running and operating as promised! My only recommendation is to try to offer credit card payment options that do not entail going to their office in person. Other than this small inconvenience, this service was superb. Thanks Brian!
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Richard G.When my furnace broke down last winter, we were without heat for two weeks while the HVAC company sourced the parts from the US. I wanted to install a gas fireplace insert to replace my existing gas log set and to act as a backup heat source (e.g. furnace breaks down again, no power). I had a number of questions about the various gas fireplace inserts (e.g. size and fit in my old fireplace) and I contacted several HVAC companies.
I found that Brian from Cozy Comfort Plus to be the most helpful and he also gave me the best price. I was home at the time and I saw that the Cozy team did a great job installing the gas fireplace insert (e.g., assembling and fitting the insert, bending and capping the chimney, etc.). If you are looking for a gas fireplace insert, I would highly recommend that you give Brian a call.
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