Navien Condensing Tankless Water Heater 98% AFUE
Navien Condensing Tankless Water Heaters supply Unlimited hot water at a steady temperature whenever you need it and for as long as you need it. Navien water heaters create a more comfortable living environment.
Ultra condensing efficiency
- The industry's highest energy efficiency at 98% means the lowest annual operating costs and the best payback compared with conventional tankless or tank-type water heater.
- Saves, on average, more than $160 per year over conventional tank type gas water heaters and $40 per year over conventional tankless gas water heaters.
- Shortest payback of any tankless water heater on the market.
- Best gallons per minute performance when comparing input BTU.
Eco-Navien Technology
- Ultra efficient burner uses less gas resulting in substantial CO2 and NOx emissions reductions.
- Less NOx and CO2 means less acid rain and less green house gasses minimizing ozone layer depletion.
Extended life cycle
- Navien dual stainless steel heat exchangers are up to 20 times more resistant than copper heat exchangers to erosion and condensation damage.
Easy venting
- The higher efficiency of Navien water heaters result in lower exhaust temperatures that allow the use of PVC or other plastic venting materials.
- Plastic venting offers significant cost savings and much easier installations.
- 3" PVC venting runs to 100' with 6 elbows.
Advanced technology
- Enhanced Safety with Dual Microprocessors
- Navien's two microprocessors offer better control and safer operations by continuously cross monitoring each other's performance to assure proper operation at all times.
- These two microprocessors not only control the burner for ideal combustion but also maintain a steady hot water temperature.
Optimal and stable combustion with "APS" and "GPS"
- APS (Air Pressure Sensor) maximize combustion efficiency by sensing and controlling the air required for optimal combustion even in high wind locations or in installations with long vent runs.
- GPS (Gas Pressure Sensor) offers stable combustion by sensing gas pressure and controlling the fan speed to maintain optimal combustion even under a wide range of changing gas pressure.
Water leak detection
- Built-in leak detector prevents damage to the water heater and to personal property caused by a water tank.
Built-in internal circulation pump with buffer tank
- Delivers hot water to fixtures quickly resulting in water conservation.
- No minimum flow rate: get hot water even at very low flow rates of 0.1 or 0.2 GPM.
- Eliminates any hot/cold/hot stacking, the so-called "Cold Water Sandwich".
- Saves additional money and time by eliminating the pump purchase cost and on-site installation costs.
- Prevents heat exchanger from freezing.
Remote Control
- Advanced water heater diagnosis capability and error feedback.
- Touch activated back light function and Easy-to-Use button type control.
- Built-in recirculation timer for water and energy savings.
- Key-pad lock button prevents inadvertent temperature changes.
- Temperature adjustment in 1° F increments.

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Type |
Model # |
Price Including P&L W/10 Feet Venting |
Available Rebates |
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Residential Condensing Units |
NR-180 |
$ 2180.00 |
N/A |
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NR-210 |
$ 2355.00 |
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NR-240 |
$ 2520.00 |
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Residential Condensing W/ Buffer Tank |
NR-180 A |
$ 2340.00 |
N/A |
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NR-210 A |
$ 2530.00 |
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NR-240 A |
$ 2645.00 |
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Model Item |
NR-180, NR-180A |
NR-210, NR-210A |
NR-240, NR-240A NP-240, NP-240A |
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Heat Capacity (Input) |
Natural Gas |
Min. 15,000 Btu/hvMax. 150,000 Btu/h |
Min. 17,000 Btu/h Max. 180,000 Btu/h |
Min. 17,000 Btu/h Max. 199,000 Btu/h |
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LP Gas |
Min. 15,000 Btu/h Max. 150,000 Btu/h |
Min. 17,000 Btu/h Max. 180,000 Btu/h |
Min. 17,000 Btu/h Max. 199,000 Btu/h |
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Thermal Efficiency |
98.0% |
98.0% |
98.0% |
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Energy Factor (DOE) Natural Gas |
0.94/0.96 |
0.94/0.97 |
0.95/0.97 |
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Dimensions |
W17”×H28” ×D14” |
W17”×H28” ×D15” |
W17”×H28” ×D15” |
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Weight |
NR/NP-A |
77 lbs |
86 lbs |
86 lbs |
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NR/NP |
67 lbs |
77 lbs |
77 lbs |
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Installation Type |
Indoor/Outdoor Wall-Hung |
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Venting Type |
Direct Vent |
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Ignition |
Electric Ignition |
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Water Pressure (min-max) |
15 – 150 PSI |
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Gas Supply Pressure (from source; min-max) |
NG: 3.75” WC ~ 10.5” WC / LP: 8” WC ~ 13.5” WC |
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Min. Flow Rate to activate Water Heater |
For “A” Model 0 GPM (no min. flow rate requirement), Otherwise 0.5 GPM |
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Connection Sizes |
Cold Water Inlet |
¾” NPT |
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Hot Water Inlet |
¾” NPT |
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Gas Inlet |
¾” NPT |
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Power supply |
Main Supply |
120VAC, 60 Hz,200 W ( max 2A) |
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Heat Exchangers |
Primary Heat Exchanger: Stainless Steel Condensing Heat Exchanger: Stainless Steel |
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Venting (0” Clearance) |
Exhaust (3”) |
PVC, Navien Stainless Steel or Special Gas Vent Type BH Class IIA |
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Exhaust (3”) |
PVC, Flex Aluminum, Flex Stainless Steel, ABS. |
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Model Description Legend |
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NR |
Navien Regular (Portable Domestic Hot Water) Max. Temperature: 140 F |
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NP |
Navien Premium (Portable Domestic Hot Water & Commercial Applications ) Max. Temperature: 185 F |
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A |
With Circulation Pump and 0.5 US Gallon (2 Liter) Mini-Buffer Tank |
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Warranty |
NR Series |
NP Series |
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DHW Use Only |
Residential Application |
Commercial Application |
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Heat Exchanger |
15 Year |
15 Year |
10 Year |
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Parts and Components |
5 Year |
5 Year |
5 Year |
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Labor |
1 Year |
1 Year |
1 Year |
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* Prices are for standard installation only with up to 10 Feet of venting. Extras may vary.
Call 905-707-1299 for details.
Navien Brochure | Homepage | Rinnai | Navien Website
Rinnai Condensing Tankless Water Heater 95% AFUE
Rinnai condensing tankless water heater in the newest product from Rinnai manufacturing with efficiency rating of 95% AFUE *.Now the name that’s synonymous with innovative tankless water heating is setting the bar even higher. Rinnai’s newest tankless addition incorporates condensing technology to create one of the most efficient, most durable tankless water heater designs on the market today. Available in four models, suitable for mid- to large-sized homes, Rinnai’s new Condensing Tankless Water Heaters offer all the same benefits builders and homeowners have come to expect from Rinnai. Never run out of hot water again, and enjoy the space savings, convenience, ease of installation and peace of mind for which Rinnai is famous.
The efficiency of condensing technology
Rinnai’s unique condensing design incorporates two innovative heat exchangers to achieve optimum heating value from every cubic foot of natural gas or propane. The stainless steel system recaptures residual heat from flue gases to pre-heat incoming ground water, which then circulates to the primary copper heat exchanger. Delivering up to 95% thermal efficiency, Rinnai’s tankless condensing units are ideal for residential and commercial applications and can be banked for even greater capacity.
Features
- Up to 95% thermal efficiency
- All the advantages of tankless water heating
- Condensing technology for high efficiency & Energy Savings
- Capacity to supply continuous hot water simultaneously
- Significant space savings over tank-style water heaters
- Flexible indoor or outdoor installation options
- Long-lasting design and reduced risk of flooding
- Pair up with an air handler for efficient home heating
- ENERGY STAR® qualified

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Rinnai Condensing 95% Tankless Water Heaters Prices |
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Model Number |
Product Description |
Price * |
Rebate** |
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RC80HPiN |
Internal, 9,500/157,000 BTU, Natural Gas, 0.4 to 8.0 GPM - ENERGY STAR® QUALIFIED |
$2790.50 |
N/A |
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RC98HPiN |
Internal, 9,500/199,000 BTU, Natural Gas, 0.4 to 9.8 GPM - ENERGY STAR® QUALIFIED |
$2977.70 |
N/A |
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* Prices include complete and standard installation. Extras may vary. HST Extra. ** Government incentives if applicable. |
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Homepage | Navien | Rinnai brochure | Rinnai website
