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Affordable Takagi Tk-310u-i 190,000 Btu Natural Gas/liquid Propane Indoor Non-condensing Ultra-low Nox Tankless Water Heater Complete Set [V6fgjPRI]

$74.99 $239.99 -69%

Affordable Takagi Tk-310u-i 190,000 Btu Natural Gas/liquid Propane Indoor Non-condensing Ultra-low Nox Tankless Water Heater Complete Set [V6fgjPRI]The compact TK-310U-I is a fully modulating, gas-fired, non-condensing tankless water heater perfect for residential applications. It is

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Affordable Takagi Tk-310u-i 190,000 Btu Natural Gas/liquid Propane Indoor Non-condensing Ultra-low Nox Tankless Water Heater Complete Set [V6fgjPRI]

Affordable Takagi Tk-310u-i 190,000 Btu Natural Gas/liquid Propane Indoor Non-condensing Ultra-low Nox Tankless Water Heater Complete Set [V6fgjPRI]

The compact TK-310U-I is a fully modulating, gas-fired, non-condensing tankless water heater perfect for residential applications. It is field convertible from Natural Gas to Liquid Propane and with a maximum input of 190,000 BTU, the TK-310U-I can produce enough hot water for up to three bathrooms in warmer climates and it also complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm). The TK-310U-I supplies hot water to domestic hot water systems and can be used with water storage tanks, recirculation systems, and/or combined domestic & heating applications.

Features:

  • 15-year limited heat exchanger, 5 yrs limited parts Residential use

  • Field convertible from Natural Gas to Liquid Propane

  • Includes built-in temperature controller and power cord as standard features

  • Venting with Category III stainless steel

  • Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes

  • Complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)

Tech Specifications:

Emissions:

Ultra Low NOx

Maximum BTUs:

190,000

Minimum BTUs:

15,000

Water Connection Location:

Bottom

Water Connection:

3/4"

Flow Rate:

8.00

Heat Exchanger:

Copper

Voltage:

AC 120V

UEF:

0.81

ENERGY STAR Qualified:

No

LEED Rating:

0.0

Remote Control:

Yes

Technology:

Non-Condensing

Multilink:

No

 

Dimensions & Venting:

Height:

20.50"

Width:

13.75"

Depth:

10.00"

Product Weight:

39 lbs.

Vent Type:

Direct Vent

Vent Size:

4"

What Our Customers Say

February 2, 2026

Absolutely no complaints!

A stellar example of great product design.

- Leif T..

February 2, 2026

Absolutely no complaints!

An outstanding tool. Very solid.

- Llywelyn K..

February 2, 2026

Absolutely no complaints!

An outstanding item with a great build.

- Nelson N..

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