The Ultimate in Energy Efficiency with Hi-Tech Comfort
- Endless Hot Water Supply
- Ultra Condensing Efficiency 98%
- Built-in Circulation System ("A" model only)
- ECO Navien Technology
- Extended Lifecycle
- PVC Venting & Easy Installation
- Optimal and Stable Operation
- Leak Detector
- Air Intake Filter
- Space Saving
Endless Hot Water Supply
Navien Condensing 98% Tankless Water Heaters provide
Ultra Condensing Efficiency
Because Navien boasts the industry's
highest efficiency product, rating (98%) means
customers can cash in on low annual operating
costs as well as receive the best payback,
Compared with conventional tankless or tank-type water heaters.
Navien's Condensing 98% Tankless also enjoys the highest
gallons-per-minute (GPM) when comparing input BTUs.












Compact Size: Only 13.8 inches wide, the Takagi T-K3 can be recessed
between wall studs for even more space savings! A special recess
box is available for outdoor installations.
Lower Activating Flow Rate: The T-K3 activates at only 0.5 GPM,
which allows the use of smaller water flows in bathroom sinks and
showers. This reduces water waste and allows for stable temperatures.
Parallel Installation: Using Takagi's Easy Link technology, the T-K3
can be installed in parallel with up to three other units without the
money, space and installation time. Four T-K3 unites will deliver a
total of 21.6 GPM at 60 degrees F delta T; or 26 GPM at a 50
degree F delta T.
Direct-Vent Conversion: The T-K3 can be easily converted into a direct vent model for inside installations that need
to import combustion air from outside.
Eight Temperature Settings: Instead of the usual four settings, the T-K3 offers eight separate temperatures, set by
dip-switch: 104 degree F, 113 degree F, 122 degree F, 131 degree F, 140 degree F, 158 degree F, 176 degree F,
and 185 degree F. This versatility reduces the need for a separate remote control. However, setting temperatures
other than the eight presets requires the TM-RE10 temperature controller.
Longer vent runs: The T-K3 can have a vent pipe run up to 50 feet with five elbows, instead of the normal 35 with
three elbows.
As you can see, the T-K3 incorporates all those "why-don't-you-have-this?" features into this one new product. Its
larger flow capacity through parallel connections will meet the hot-water needs of most high-volume residential
applications and many commercial projects, too. In short, the T-K3 fills the gap between the single residential
heater and multiple commercial T-M1 units. Performance depends on the temperature of the ground water of
course: At a delta T of 60 degrees F in warmer areas - for example, where the winter ground water is 60 degrees F
and with the output set at 122 degrees F - the T-K3 will provide a 5.4 GPM, or 324 GPH. In colder areas where the
input temperature may be 40 degrees F or less, expect a flow rate about 4.1 GPM, or 246 GPH.
Tankless Water Heaters
Need a Heat Pump, Air Conditioner, Furnace, Boiler or Tankless Water Heater? I install them all over skagit county including Mount Vernon Wa, Burlington Wa, Anacortes, Sedro Woolley, La Conner, Stanwood Wa, and on Camano Is.
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