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Takagi T-K3-OS
Outdoor Gas Tankless Water Heater

FEATURES
The T-K3-OS has a built-in power venting system and was designed specifically for outdoor installations. The T-K3-OS does not require any additional Category III venting or vent caps, making installation one step easier for its installers.

WARRANTY
• 10 years on the Heat Exchanger
• 5 years on all other parts


Released in 2007, the T-K3-OS is Takagi’s tankless water heater built only for outdoor installations.
The T-K3-OS is one of Takagi’s smaller tankless water heaters. At 13.8 inches wide and weighing only 40 pounds, its ultra-compact design allows it to be mounted on a wall or installed between two wall studs using Takagi's TK-RBO2 recess box, so it's even more inconspicuous. Since it can only be installed outside, the T-K3-OS is ideal for warmer climates.

The T-K3-OS features a built-in power venting system, but unlike any of its predecessors, the new tankless water heater does not require any additional Category III venting or vent caps, making installation one step easier for its installers.

It can provide an unlimited supply of hot water continuously because there is no storage tank to heat and reheat. The T-K3-0S starts heating water at 0.5 gallons per minute (GPM), and can keep that endless supply of hot water running from as low as 0.4 GPM up to a maximum flow rate of 7.0 GPM.

Takagi's newest tankless water heater also features a thermal rating of 83% for both liquid propane and natural gas, so it is extremely efficient and environmentally friendly. Since tankless water heaters only burn gas when hot water is needed, installing this unit can help homeowners save up to 45% on their monthly gas bills.

The T-K3-OS also offers four separate temperature settings, ranging from 113 to 167 degrees, so it does not require the use of a separate remote control.
RESOURCES
+ Takagi Warranty
+ Manual (PDF)
+ Comparison Sheet (PDF)
+ Gas Line Sizing Tables
To download PDFs, right click on the link and choose "Save Target As"

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Takagi T-K3-OS
Outdoor Gas Tankless Water Heater






Availability: Usually ships the next business day.

T-K3-OS + PRVpad US $1,357.00pad
Special Internet Price:
US $892.00padGas: 

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Outdoor Box for Takagi T-K3-OSOutdoor Box for Takagi T-K3-OSpadOutdoor Box for Takagi T-K3-OS
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Availability: Usually ships the next business day.

TK-RB02pad US $289.00pad
Special Internet Price:
US $170.00pad
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Click to enlargeAdvanced Temperature Remote Controller for Takagi TKJr., TK1, TK2, and TKD20pad
Information display includes: gallons per minute flow rate moving through the heater, incoming water temperature (degrees F), outlet water temperature (F). Has two functions, setting temperature between 95°F and 167°F and diagnostic tool. You can run up to 100 feet of 18 GA shielded t-stat wire and put remote in some convenient place, like kitchen or bathroom.

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Availability: Usually ships the next business day.

TK-RE02padUS $149.00pad
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PRV Pressure Relief ValvePRV Pressure Relief Valvepad
Tankless water heaters over 100,000 Btu (Takagi TK3, Takagi TK3-0S, Takagi TK-Jr, Paloma 7.4 Series, Paloma 5.3 Series, Paloma 28c Series) require PRV pressure relief valve.
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Availability: Usually ships the next business day.

PRVpad US $8.50pad
Special Internet Price:
US $8.50pad
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ClearWave HD-1 Water ConditionerClearWave HD-1 Water Conditionerpad
Revolutionary product that works without salts, chemicals or plumbing.
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Availability: Usually ships the next business day.

Clearwave HD1pad US $249.00pad
Special Internet Price:
US $219.00pad
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Click to enlargeFalcon 3/4" Flexible Water Connectors (Set of 2)pad
(Set of 2) - 3/4" Inside Diameter, Stainless Steel, 18" Long Flexible Water Connectors.
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Availability: Usually ships the next business day.

falcon34-18padUS $15.00pad
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Click to enlargeTru-flex 3/4" Flexible Gas Connectorpad
3/4" Inside Diameter, 24" Long, Flexible Stainless Steel Gas Connector.
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Availability: Usually ships the next business day.

truflex34-24padUS $40.00pad
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Un-Clog-It Descaling KitUn-Clog-It Descaling Kitpad
Simple, inexpensive do-it-yourself method of dissolving harmful mineral buildup from water lines.
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Availability: Usually ships the next business day.

UnclogitpadUS $169.00pad
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TIV - Tankless Installation ValvesTIV - Tankless Installation Valvespad
Makes installing your tankless water heater easy! Designed to save time and ensure that installation is completed in a professional manner.

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Availability: Usually ships the next business day.

WTIVpad US $126.97pad
Special Internet Price:
US $95.00padConnection type: 
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