Tankless Water Heaters / Electric / Gas / Takagi TK3 / Gas Water Heater Venting
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Takagi T-K3 Direct Vent Water Heater
Venting options and accessories

Takagi T-K3 Tankless Water Heater Main Page

At just twenty inches high, and weighing only forty pounds, the T-K3 is one of the most compact units in the Takagi line. Fully modulating gas fired tankless on demand water heater with sealed combustion (optional) and power vented flue. Rated for indoor/outdoor use to supply hot water to: domestic hot water systems (direct and indirect using water storage tank applications) with or without recirculation system piping, hydronic heating systems, radiant floor heating, and combined domestic water and heating water systems.



Remote control unit to control water temperature of the T-K3 waterheater
Model TM-RE10
Temperature Remote Controller. The output temperature of the T-K3 can be controlled with a TM-RE10 remote controller. It allows output temperatures beyond the factory settings and shows error codes. The TM-RE10 also monitors incoming and outgoing water temperatures. The temperature controller can adjust the output temperature from 99°F to 185°F.

Wall ventilation terminator for the T-K3 Hot Water Heater
Model TK-TV01
The TK-TV01 wall vent terminator for installation of Takagi water heaters to be vented out a side wall. Connect the Category III stainless steel vent pipe from the top of the unit to the backside of this terminator to exhaust flue gases through the wall without a thimble.

Back flow preventer for the T-K3 Hot Water Heater
Model TK-BF01
The TK-BF01 Vent Damper prevents the backflow of air through the exhaust vent. This helps prevent harmful exhaust gases from entering the home, as well as helping to prevent the unit from freezing in areas where cold air can be blown or drawn into the exhaust system.
Click here for a TK-BF01 venting example

Outside Installation Venting Cap for the T-K3 Hot Water Heater
Model TK-TV04
The TK-TV04 Vent Cap is for outdoor installation of the T-K3 tankless water heater. The cap is installed on the top of the unit, instead of connecting an exhaust vent pipe. The cap will prevent any debris that might be in the environment from entering the unit and causing damage or a fire hazard, as well as preventing rain or other weather from entering the unit.

Vent for the T-K3 - 2 Pipe system
Model TK-TV13
This is the Vent Terminator for the T-K3. Wall vent terminator for installation to be vented out a side wall.

TK-TV10 direct vent conversion kit
Model TK-TV10
The TK-TV10 Direct Venting Kit can be used to convert the T-K3 from a conventional vent system to a direct vent (or sealed combustion) system. This is a CSA tested conversion kit. Install this conversion kit in accordance with Takagi's installation instructions and any applicable codes.

ZFlex Venting Accessories for the AquaStar 125FX, Takagi T-K JR, TK3, T-K2 and T-KD20
Z-Flex Venting
Z Flex Stainless Steel Venting Accessories with silicone free connections. See our full line of pipe, exterior terminators, elbows and more. Perfect for vertical or horizontal installation. Stainless Steel Venting is required for all Takagi Water Heaters (Exhaust Only).
Click here to see sizes and prices for ZFlex Venting Supplies


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