TK-4-IN Takagi Tankless Indoor Water Heater (Propane) Zoom

TK-4-IN Takagi Tankless Indoor Water Heater (Propane)

SKU:T-K4-IN-LP

Brand: Takagi

Takagi
Qty Price
$863.00
/ each
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Specs

Application: 2-3 Showers
Product Type: Tankless Heater
Fuel Type: Liquid Propane (LP)
Installation Type: Indoor Only
Direct Vent Convertible
Energy Factor: 0.82
Vent Size: 4"
Vent Type: Category III Stainless Steel
Inlet Gas Pressure: 8.0"-14.0"W.C.
3.7-4.0"W.C.
Height: 20.3"
Width: 13.8"
Depth: 8.5"
Max Flow (GPM): 8.0
Voltage:
?
120 VAC
Gas Input: 11000-190000 BTU/h
Water Connection: 3/4"
Gas Connection: 3/4"
Temperature Range (F): 99°-167°F
PSI Range: 15-150 psi
Weight: 38 lbs

Description for Takagi T-K4-IN-LP

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.

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.

Specifications:

  • Capacity: 2 to 3 Bathrooms
  • Flow Rate: Maximum 8.0 GPM
  • Gas Inputs: 11,000 to 190,000 BTU per hour
  • Energy Factor Rating: 0.82
  • Inlet Gas Pressure: Min: 8.0" W.C. / Max 14.0" W.C.
  • Dimensions: 20.3" H x 13.8" W x 8.5" D
  • Direct Vent Capability
  • Electric Ignition

TK-4-IN Takagi Tankless Indoor Water Heater (Propane)

REVIEW SNAPSHOT®

by PowerReviews
TK-4-IN Takagi Tankless Indoor Water Heater (Propane)
 
4.9

(based on 8 reviews)

Ratings Distribution

  • 5 Stars

     

    (7)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Reviewed by 8 customers

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Displaying reviews 1-8

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4/17/2012
 
5.0

Nothing better

By Rob

from Sothern cali

Verified Buyer

Comments about TK-4-IN Takagi Tankless Indoor Water Heater (Natural Gas):

Once again Pex supply comes through with great service and a great product we have endless hot water on demand

Bottom Line Yes, I would recommend this to a friend

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12/13/2011
 
5.0

Easy to Install

By Home Installer

from Milton, WA

Verified Buyer

Comments about TK-4-IN Takagi Tankless Indoor Water Heater (Natural Gas):

The TK4 is smaller than the previous Tankless water heater I had. The retrofit was easy and quick. A very solid, quiet Tankless Hotwater Heater.

Bottom Line Yes, I would recommend this to a friend

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12/5/2011
 
4.0

Great product very reliable....

By Sedea

from Chihuahua,Chih. Mex.

Verified Buyer

Comments about TK-4-IN Takagi Tankless Indoor Water Heater (Propane):

I always use this product for radiant heating for some 15 years ago and the costumer are very satisfied....

Bottom Line Yes, I would recommend this to a friend

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11/14/2011
 
5.0

Just perfect

By Djrafi

from Iselin NJ

Verified Buyer

Comments about TK-4-IN Takagi Tankless Indoor Water Heater (Natural Gas):

Can't complain at all, it works just fine and is taking only a little room. Perfect

Bottom Line Yes, I would recommend this to a friend

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10/25/2011
 
5.0

Many happy customers

By Tom master plumber

from cheswick,pa.

Verified Buyer

Comments about TK-4-IN Takagi Tankless Indoor Water Heater (Natural Gas):

This is the 4th heater this year I have installed.
All customers are very happy with their new heaters, no complaints. They all like the remote display. I would reccomend takagi again.
Tom master plumber

Bottom Line Yes, I would recommend this to a friend

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6/10/2011
 
5.0

great product [...]

By gsdluv

from Canadfa, new brunswick

Verified Buyer

Comments about TK-4-IN Takagi Tankless Indoor Water Heater (Propane):

Very pleased with unit. [...]

Bottom Line Yes, I would recommend this to a friend

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5/29/2011
 
5.0

If you want the best... read on

By Nick

from Seattle, WA

Verified Reviewer

Comments about TK-4-IN Takagi Tankless Indoor Water Heater (Natural Gas):

I have now installed 4 of these units over the last several years. I have just finished the latest model the TK-4OS. Having previoiusly had to bother with the exhaust piping this unit can be mounted directly outside. Awesome ! It is super quiet, strong, smaller and lighter weight than their first units. Please do not make the mistake of buying something at the big box stores.. this is exceptionally high quality. Did you notice the 12 year warranty ? Thank you Takagi for making an exceptional product.

Bottom Line Yes, I would recommend this to a friend

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12/24/2010

(0 of 1 customers found this review helpful)

 
5.0

Exactly what I expected

By Cam

from Marshfield WI

Verified Buyer

Comments about TK-4-IN Takagi Tankless Indoor Water Heater (Natural Gas):

The product is exactly as I had planned. The instructions are sub-par but the product is great.

Bottom Line Yes, I would recommend this to a friend

(0 of 1 customers found this review helpful)

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Displaying reviews 1-8

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Q&A: Ask the Questions, share answers

Do you have questions about this product?

get answers from real customers and in-house experts with AnswerBox.

14 Questions | 23 Answers
Displaying questions 1-10Previous | Next »
  • TK-4-IN Takagi Tankless Indoor Water Heater (Propane)

    Q:

    Does this unit have any problems with the "water sandwich" effect, with short bursts of cold water in the middle of hot water flow, especially in showers?
    Asked on 5/4/2012 by Joe from Napa, CA

    6 answers

    • VERIFIED BUYER

      A:

      I have 3 of these heaters and have never experienced what you described. You can get some water cooling if someone else opens a hot faucet while you are showering. It does not go cold just not as hot.

      Answered on 5/5/2012 by Another PexSupply Customer

    • VERIFIED BUYER

      A:

      no unit always has hot water

      Answered on 5/5/2012 by Another PexSupply Customer

    • VERIFIED BUYER

      A:

      No! This is not problem with the unit I have. This can happen if you
      have poor water pressure at times of showering.

      Answered on 5/4/2012 by Another PexSupply Customer

    • VERIFIED BUYER

      A:

      No not at all I have installed 4 this year no complaints
      Sent from my iPhone

      Answered on 5/4/2012 by Another PexSupply Customer

    • VERIFIED BUYER

      A:

      I have never had any issues with the water sandwich effect.

      Answered on 5/4/2012 by Another PexSupply Customer

    • VERIFIED BUYER

      A:

      Not at all. this is the 4th tankless water heater I have owned and by far
      the best. The temp is super consistent and the delivery is much quicker
      than the Bosch I owned previously. It has never failed to light, not once.
      Would recommend without reservation!

      Answered on 5/4/2012 by Another PexSupply Customer
  • TK-4-IN Takagi Tankless Indoor Water Heater (Propane)

    Q:

    I am purchasing the TK-4 IN Propane, and am wanting to know more about the venting system. I am looking at using the Z-Vent self sealing bent parts from your site. I see the direct vent conversion part, am I right in assuming that when you chose to use it then you add the "2nd" pipe (thus a 3nd opening) and another hole for intake? If I use the sealed Z-Vent parts, and do not 'convert it", then I wont need a second opening or pipe?
    Asked on 3/15/2012 by blmranch from Ellensburg, WA

    4 answers

    • VERIFIED BUYER

      A:

      it only takes two pipes( one for intake ,one for exhaust) unless you use the
      concentric(sic) pipe then it uses one pipe for both intake and venting. i was
      able to download the installation manual . it shows all installation methods. (
      if you do not use the direct vent conversion there is only the one exhaust pipe
      and intake air is drawn from the mechanical room.

      Answered on 3/16/2012 by Another PexSupply Customer

    • VERIFIED BUYER

      A:

      Direct vent should be used when you do not have enough fresh air (like a trailer) or in a dust room like a work shop. just stick with the Z-vent and you will be fine.

      Answered on 3/16/2012 by Another PexSupply Customer

    • VERIFIED BUYER

      A:

      Hello bimranch,
      I have install four TK-4 heaters. You need to use  stainless pipe for the 4" discharge. This is required by manufactor. Z-vent is the brand I have used and the product is easy to install. 
      On the intake side, the conversation kit covers the front intake and provide a 3" intake on the top of the unit. This piping does not have to be stainless steel pipe.
      If you do not use the conversion kit the unit takes air from the front of the unit and know other piping is required. 
      Hope this helps,
      jim

      Answered on 3/15/2012 by Another PexSupply Customer

    • VERIFIED BUYER

      A:

      Yes. Just direct vent the exhaust ( 1 ) penetration 99.9 % of installs will do it.
      Sent from my iPhone

      Answered on 3/15/2012 by Another PexSupply Customer
  • TK-4-IN Takagi Tankless Indoor Water Heater (Natural Gas)

    Q:

    Does it have to be mounted on an outside wall?
    Asked on 2/9/2012 by Anonymous

    1 answer

    • CUSTOMER CARE

      A:

      The unit does not have to be mounted on an exterior wall, although doing so may make venting easier.

      Answered on 2/10/2012 by PexSupply Staff from NY
  • TK-4-IN Takagi Tankless Indoor Water Heater (Natural Gas)

    Q:

    does the tk4 have the energy star rating?
    Asked on 2/3/2012 by shep from ALBUQUERQUE, NM

    1 answer

    • CUSTOMER CARE

      A:

      Yes, it is. This unit meets the .82 minimum Energy Factor requirement for tankless water heaters.

      Answered on 2/9/2012 by PexSupply Staff from NY
  • TK-4-IN Takagi Tankless Indoor Water Heater (Propane)

    Q:

    Does the TK-4-IN come with a remote control?
    Asked on 1/22/2012 by blmranch from Ellensburg, WA

    1 answer

    • CUSTOMER CARE

      A:

      The remote (part TK-RE02) is not included with the tankless water heater and must be purchased separately. The remote gives you a wider range and greater number of temperature-control options than using the dipswitch to change the setpoint.

      Answered on 1/23/2012 by PexSupply Staff from NY
  • TK-4-IN Takagi Tankless Indoor Water Heater (Propane)

    Q:

    Can your Takagi water heater be used for infloor radiant heating and can you use it with glycol or will it void the warranty.
    Asked on 1/15/2012 by BamBam from Monte Vista CO.

    1 answer

    • CUSTOMER CARE

      A:

      You can use up to a 30% mixture of glycol with this unit. Using it for heating (glycol or no glycol) cuts the warranty in half.

      Answered on 1/18/2012 by PexSupply Staff from NY
  • TK-4-IN Takagi Tankless Indoor Water Heater (Natural Gas)

    Q:

    I want to install a water lobster in the kitchen to decrease the flow of cold water to the hot water faucet in the sink. Will this unit interfere with circulating warm water through the cold water pipes? Hot water lobsters work well to shorten the wait for hot water when used with conventional tank heaters.
    Asked on 1/7/2012 by limudad from Geary, OK

    1 answer

    • CUSTOMER CARE

      A:

      We do not sell the product, but it is our understanding that hot water lobsters are designed to work only with tank-style water heaters.

      Answered on 1/31/2012 by PexSupply Staff from NY
  • TK-4-IN Takagi Tankless Indoor Water Heater (Natural Gas)

    Q:

    Would Takagi TK-4-in model is sufficient for one family house with 3 showers and 2 kitchens.
    Asked on 11/30/2011 by Ed from NY

    1 answer

    • CUSTOMER CARE

      A:

      This unit can provide the maximum per-minute flow displayed on page 2 of the manual linked below. In New York, you may need to make the water 60 degrees hotter during the winter. When this is the case, the T-K4 can produce 5 gallons of hot water per minute. This should be enough for two simultaneous showers, but not much else. During warmer times of the year, the unit is capable of higher flow rates.

      http://s3.pexsupply.com/manuals/1289421083326/41441_PROD_FILE.pdf

      Answered on 12/15/2011 by PexSupply Staff from NY
  • TK-4-IN Takagi Tankless Indoor Water Heater (Natural Gas)

    Q:

    I am planning to put TK-4-IN in the 2 car garage on the wall facing outside.Will it need direct vent for intake air from outside for combusion? Will exhaust vent be enough?.Will Z vent kit be enough?
    Asked on 10/4/2011 by Denis from Mira Loma Ca

    1 answer

    • CUSTOMER CARE

      A:

      If you are looking to direct vent the TK-4IN we would recommend using TK-TV10 and DDV-47

      Answered on 11/4/2011 by PexSupply Staff from NY
  • TK-4-IN Takagi Tankless Indoor Water Heater (Natural Gas)

    Q:

    I notice persons using the OS model in the northwest part of the country and in Canada. I will be installing the unit in Arkansas where the outside temp in Late jan or early Feb may reach zero or at the very lowest 5 below. Is there a freeze issue with the OS? I know there is flame but only when in use. Please advise, ASAP. I will be installing in less than 6 weeks.
    Asked on 9/26/2011 by Steven from Fort Smith, AR

    1 answer

    • CUSTOMER CARE

      A:

      We would not recommend using the OS outdoor unit in your area. It may pick up some heat from the house, and you can use the unit's freeze protection and insulate the pipes, but the manufacturer only recommends outdoor installation in very warm climates.

      Answered on 9/30/2011 by PexSupply Staff from NY
Displaying questions 1-10Previous | Next »

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