Shopping Cart Summary


Total: $0.00

Continue Shopping
Takagi T-K4 Natural Gas Tankless Outdoor Water Heater 190,000 BTUs T-K4-OS-NG
    Takagi T-K4 Natural Gas Tankless Outdoor Water Heater 190,000 BTUs T-K4-OS-NG

    Takagi T-K4 Natural Gas Tankless Outdoor Water Heater 190,000 BTUs T-K4-OS-NG

    Code: TAKAGI33NG
    Reg: $1,478.00 Save : $703.00

    View Our Price Guarantee

    Coupon Savings Available For This Item! Get Coupon
    Apply Applicable Coupon Code Below & Add To Cart

    Apply Code: 

    Select Shipping Method: Quantity:

    Enter your email address below and we will send you the best available price for this product.

    Bookmark and Share

    Takagi Light Commercial OUTDOOR Tankless Water Heater T-K4-OS-NG

    Released in 2010, the T-K4 improves upon many of the features from the T-K3.
    The T-K4 is one of Takagi’s smaller tankless water heaters. At 13.8 inches wide and weighing only 38 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 (for OS model), so it's even more inconspicuous.

    The T-K4-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-K4 starts heating water as soon as flow is detected, and can keep that endless supply of hot water running from as low as 0.4 GPM up to a maximum flow rate of 8.0 GPM.

    Takagi's newest tankless water heater also features an energy factor of 0.82, 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-K4 also offers four separate temperature settings, ranging from 113° to 140°. To achieve any temperatures other than those presets, your client will require the TK-RE02 temperature controller

    Click Here To Buy The Required Relief Valve

    Takagi Tankless Water Heater
    Model T-K4-OS

    Natural Gas Input Min. 11,500 Btu Max. 190,000 Btu
    LPG Input Min. 11,500 Btu Max. 190,000 Btu
    Gas Connection 3/4" NPT
    Water Connections 3/4" NPT
    Water Pressure Min. 15 psi Max. 150 psi
    Natural Gas Pressure Inlet Min. 5" WC Max. 10" WC
    LP Gas Pressure Inlet Min. 8" WC Max. 10.5" WC
    Manifold Pressure Natural 2.0-2.5" WC Propane 3.7-4.0" WC
    Weight 38 lbs.
    Dimensions 20.5" x 13.8" x 6.7"
    Ignition Electronic Ignition
    Electrical Supply AC 120 V

    Availability:Normally ships in one business day.
    BTU:190,000 Btu
    Customer Reviews
    Average Customer Review: Not yet rated
    Write an online review and share your thoughts with others.

    There are no reviews

    Click on the links below for more information:

    The following links require Adobe Acrobat.
    To download the latest version, Click Here !

    (1) Specifications

    (2) Product Manual
    (3) Basic Application
    (4) Heating & Domestic With Indirect Heat Exchanger
    (5) With Recirculation Only
    (6) With Storage Tank (3 tappings)
    (7) With Storage Tank (4 tappings)

    Click Here For Detailed Information About This Products Warranty.

    Related Items

    Zurn P1000A Pressure Relief Valve

    Reg: $16.95
    Now: $8.95

    View Details

    Brass Craft Coated Stainless Steel Gas Connectors

    Reg: $28.74
    Now: $22.99

    View Details

    Brass Craft Copper Flex Water Heater Connector

    Reg: $18.03
    Now: $14.42

    View Details

    Flowaide System Descaler Kit - FLOW-KIT

    Reg: $210.00
    Now: $187.00

    View Details

    Tankless Water Heater Service & Isolation Valve Kit

    Reg: $179.99
    Now: $78.99

    View Details

    sign up to receive exclusive offers enter your email address below and secret discounts will be automatically emailed to you
    No thanks, I prefer to pay full price.

    Let Us Try To Meet Or Beat Your Best Prices!

    If by chance, before you make your purchase you find the same item for less, but would rather get the unmatched service and technical expertise that our company offers.

    You will be prompted to log in to our Help Desk where you select the Price-Matching Department.

    In the description of your request, please let us know the store or website you found the identical item or items, our product code or manufacturers part number, the price to meet or beat and whether or not they charge sales tax and shipping. *Based on that information we can see if it is possible to meet or beat their prices.

    *We do not pricematch against closeouts, discontinued items or prices offered by companies operating in a bankrupt status.