0048643220638

Watts

Model IL-20K

Internet #100678548

Store SKU #788033

20,000 Gal. In-Line Water Filter Kit

$29.99 /each
  • Reduces scale build-up in appliances and up to 99% of lead
  • Carbon-spun fiber filtration system
  • Easy to install for both contractors and homeowners

Frequently Bought Together

Product Overview

For better tasting water, use the Watts 20,000 Gal. In-Line Water Filter Kit, designed to reduce chlorine and odors from your water and improve its taste. Use it in refrigerators, ice makers, under sink filters and beverage dispensers. It is also formulated to reduce some heavy metals and scale build-up in appliances. It installs easily for either the contractor or homeowner.

California residents: see   Proposition 65 information

  • Constructed of plastic
  • Reduces up to 99% of chlorine and odors for better tasting drinking water
  • Designed to last for as long as 5 years so you don't have to fuss with more frequent filter replacement
  • Recommended uses are: refrigerators, ice makers, beverage dispensers and under sink filters
  • NSF-certified
  • Includes 1 filter

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Customer Questions & Answers

20 Questions57 Answers

Customer Questions & Answers

20,000 Gal. In-Line Water Filter Kit
20,000 Gal. In-Line Water Filter Kit

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7 answers

What is the size of the water connector? Is it 1/4 inch or 1/2 inch?

This question is from 20,000 Gal. In-Line Water Filter Kit
Asked by
Rosenberg, Greater Houston
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January 17, 2014
I would like to know the size of the connector for water in and out. Is it 1/4 inch or 1/2 inch?
I am looking for an inline filter for my bidet, which I believe has 1/2 inch inlet connector.
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Answers (7)

Asked by
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February 20, 2016
Answer: 
You can get a short (1 foot) tube that is 1/4" at one end and 3/8" (most common modern household plumbing) or 1/2" at the other. The fewer connections, the fewer opportunities for leaks. Compression connectors shouldn't require Teflon tape, but some people wear a belt and suspenders. Whenever you have metal to plastic or nylon connections be extra careful that you thread it on correctly. Even a hint of Read More
You can get a short (1 foot) tube that is 1/4" at one end and 3/8" (most common modern household plumbing) or 1/2" at the other. The fewer connections, the fewer opportunities for leaks. Compression connectors shouldn't require Teflon tape, but some people wear a belt and suspenders. Whenever you have metal to plastic or nylon connections be extra careful that you thread it on correctly. Even a hint of resistence, back it off and try again. Hand tighten, then a tiny boost with a wrench or spanner. Read Less
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Asked by
new orleans la
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January 20, 2015
Answer: 
1/4 inch
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Asked by
national city , ca
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Home Improvement Profile: DIYer
September 18, 2014
Answer: 
The connection in and out is 1/4" compression fitting your bidet is 3/8" and may cut down on pressure and reduce it's effectiveness ??
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Asked by
Amarfillo,TX
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August 26, 2014
Answer: 
1/4 inch. Connection included with filter
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Asked by
Cincinnati, Ohio
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April 23, 2014
Answer: 
1/4 inch. comes with all fittings needed.
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Asked by
Des Moines, Ia
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March 18, 2014
Answer: 
It's 1/4 inch. I'm no expert, but I'm pretty sure there are...connections...for lack of a better word, in which you can add to the 1/4 inch, to make it 1/2 inch. I suggest that you ask the folks at the hardware store. Also, if you're not sure of the size of your inlet connector, if you still have the packaging it came in, it should say there. Otherwise, if you've already bought the Filter Kit, try to Read More
It's 1/4 inch. I'm no expert, but I'm pretty sure there are...connections...for lack of a better word, in which you can add to the 1/4 inch, to make it 1/2 inch. I suggest that you ask the folks at the hardware store. Also, if you're not sure of the size of your inlet connector, if you still have the packaging it came in, it should say there. Otherwise, if you've already bought the Filter Kit, try to screw the connectors together.
Hope all that helped. Good luck.
Read Less
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Asked by
Retail Group
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January 20, 2014
Answer: 
The size of the connector is 1/4” Compression Nut.
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7 answers

i have a problem with one of these filters ,it leaks just a little at the incoming side; trid to tighten to no avail ?

This question is from 20,000 Gal. In-Line Water Filter Kit
Asked by
myron
apple valley ca.92308
July 17, 2013
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Answers (7)

Asked by
Northern Mo
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Home Improvement Profile: DIYer
July 7, 2015
Answer: 
if you are using plastic tubing for your supply lines and your use the copper Ferrell that comes with most compression fitting, it may have cut in to the supply line. Try using the nylon ferrells, sold in plumbing department.
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Asked by
new orleans la
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January 20, 2015
Answer: 
not installed properly ,compression fitting not seating properly !
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Asked by
national city , ca
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Home Improvement Profile: DIYer
September 18, 2014
Answer: 
Take it apart( screw out 1/4" fitting)after turning off supply water and use Teflon tape on threads counterclockwise to threads and reassemble but not to tight as it will crack the plastic filter if you havn't already.
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Asked by
Amarfillo,TX
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August 26, 2014
Answer: 
May have tightened it too tight. Be sure you are using that plumber's tape. If you have it too tight, the threads may be stripped. Hand tighten; then, 1/4 turn with wrench. Good luck!
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Asked by
Des Moines, Ia
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March 18, 2014
Answer: 
I would suggest using Plumbers Tape, also known as Teflon tape. It's used on the threads to help seal, keeps the water from leaking out.
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Asked by
lawndale
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July 17, 2013
Answer: 
well, I did not have that problem, I did use the teflon tape, and tighted in, even my son did the same thing, there is no problem at all.( I did roll more teflon tape and tigh untill it tight).
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Asked by
ecream
VISTA
July 17, 2013
Answer: 
you might have over tightened it, I think the instructions say hand tight then 1/4 turn with a wrench also you might want to use Teflon tape, it goes on the threads and makes a great seal.
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6 answers

I had this filter installed on my icemaker a few weeks ago and the ice still has black sediment in it. Is this normal?

This question is from 20,000 Gal. In-Line Water Filter Kit
Asked by
Rehoboth Beach, DE
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December 8, 2012
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Answers (6)

Asked by
new orleans la
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January 20, 2015
Answer: 
did you let water run through it for 15 min.before hooking it up ?
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Asked by
national city , ca
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Home Improvement Profile: DIYer
September 18, 2014
Answer: 
Make sure it is installed correctly ------ it has inlet marked right on filter , make sure water supply is connect to this side of filter also you should run about 5 to 7 gal. before hookup to ice maker.
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Asked by
ecream
VISTA
July 11, 2013
Answer: 
Is it possiable that you put the filter on upside down, the in is the out and the out is the in? I am not being a smart aleck, it is just something that I would do.
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Asked by
Lufkin, TX, USA
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June 7, 2013
Answer: 
No you should not still have sediment after a few weeks of use, this is most likely due to the ice maker itself as after time this can happen.
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Asked by
Retail Group
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December 17, 2012
Answer: 
Depending upon the age of the refrigerator, and especially if there was a preexisting problem like black sediment, the line should be flushed. You should dump all of the ice out and clean what they are capable of cleaning easily (such as the ice bin, top of the ice maker tray, as well, flush the line on the back of the unit. Once this is all flushed out, they should not have black sediment in the ice. Read More
Depending upon the age of the refrigerator, and especially if there was a preexisting problem like black sediment, the line should be flushed. You should dump all of the ice out and clean what they are capable of cleaning easily (such as the ice bin, top of the ice maker tray, as well, flush the line on the back of the unit. Once this is all flushed out, they should not have black sediment in the ice. The filter comes with two poly propylene sediment filter pads that are on either end of the filter. Any black particulate material is probably coming from the refrigerator downstream of the filter.
If you continue to have problems – then I would recommend you call 800-752-5582 our customer service line. Read Less
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Asked by
Nanci D
Gaitersburg, MD
December 16, 2012
Answer: 
You have to "flush" it by running the water through the filter for at elast 5-10 minutes.
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5 answers

Can this be used on the water line for a dishwasher

This question is from 20,000 Gal. In-Line Water Filter Kit
Asked by
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September 8, 2014
We have hard water that causes our dishwasher to not work as well as it should in cleaning dishes. Just bought a new dishwasher that I will be installing and thinking about putting one of these on since they are so cheap, hooping it might help (even a bit) Will it work in that application (higher pressure with hot water) and do you think it will help. I do have one of these installed on my refridgerator and it works okay, alothugh its been in use for 2 years and water is starting to not taste as good anymore
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Asked by
new orleans la
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January 20, 2015
Answer: 
No its to smal only 1/4 inch line
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Asked by
St. Charles, IL
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January 6, 2015
Answer: 
No the flow rate is to low
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Asked by
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October 20, 2014
Answer: 
Hi,
This is not a water softener, although it does help with scale, it is not the primary function. The filter would need replacement at a greater frequecy than 20,000 Gallons, to be effective in this application. Please let us know if you have any other questions or concerns.
Thank you, Watts Retail Group Customer Service
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Asked by
national city , ca
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Home Improvement Profile: DIYer
September 18, 2014
Answer: 
I don't think it will supply enough water since it is only 1/4 " in and out . The dishwasher will be starved for water. I would try using a good dishwashing detergent to counteract the hard water.It maybe more economical to use.
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September 15, 2014
Answer: 
Hello Guitar1969,
I wouldn't recommend setting this up on a dishwasher for the very reasons you stated. The filter isn't designed with the higher volume of pressure of a dishwasher. Also hot water and water filters haven't traditionally gotten along well. Hot water can cause the filter material to expand or shrink reducing its effectiveness.
To combat hard water in the dishwasher and the house as a Read More
Hello Guitar1969,
I wouldn't recommend setting this up on a dishwasher for the very reasons you stated. The filter isn't designed with the higher volume of pressure of a dishwasher. Also hot water and water filters haven't traditionally gotten along well. Hot water can cause the filter material to expand or shrink reducing its effectiveness.
To combat hard water in the dishwasher and the house as a whole I'd recommend a whole house filter. These are placed just before the water heater and filter all incoming water into the home. There are a number of filters available at multiple price points so finding the right one for your home shouldn't be a problem. I hope this helps.
Cheers,
Chris
Whole House Filters:
http://www.homedepot.com/b/Kitchen-Water-Dispensers-Filters-Whole-House-Systems/N-5yc1vZaqz5
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Customer Reviews

Rated 4.3 out of 5 by 59 reviewers.
Rated 4.0 out of 5.0 by workhorse of a filter This is a good, solid, workhorse of a filter. I have these installed on two commercial grade ice machines used in residential settings. I recently had to replace the 1st one installed in late 2010 after it clogged. So I got 70-80% of the estimated lifetime. Guess it'd be nice if there was an indicator to show how much filtering capability is available... Also, it'd be good if it filtered smaller particles. There is sediment and rust at one of the locations that obviously makes it through the filter and shows up in the machine. June 3, 2014
Rated 5.0 out of 5.0 by In-line water Filter for fridge ice maker This filter is rated to last 5 years. Not sure if the couplings and connectors to the filter will last that long. If they last that will mean that I don't have to change the filter annually. October 21, 2014
Rated 5.0 out of 5.0 by Love this product. Just replaced my first one after 3 or 4 years. I forget how long I've had it. The install is easy (takes 15 minutes.) The water quality is vastly superior to the fridge filter. I am considering adding one under the sink as well. Watts makes a great consumer product. December 26, 2015
Rated 5.0 out of 5.0 by Great tasting water and ice for the price! Great price when you buy the kit that includes the filter, saddle valve, and both hoses. Very easy install too. I just hope it last the five years as promised. I recommend this filter to any household. January 19, 2013
Rated 5.0 out of 5.0 by Way better tasting ice This filter really takes the yucky taste out of the fridge's ice maker water. Do be sure to follow the flushing instructions before completing the installation. I did have a problem with the line leaking and blowing off the fittings that came with the filter but fixed it by buying a packet of Watts sleeve insert for 1/4 inch tubing at Home Depot. I wish I'd bought the replacement sleeves upfront so I wouldn't have had to make a 2nd trip to the store with a leaky install dripping into a bucket. I mounted it on the wall above the with 2 Velcro straps that I affixed to the wall behind the fridge. August 4, 2015
Rated 2.0 out of 5.0 by Worked while it lasted We bought our house in May and we pitched filter pitcher in the move. Installed a drinking water faucet in place of the sprayer nozzle and added this 5 year filter for 30 bucks over the $20 - 3 month version. By late November the flow was intermittently slow. We have great water but our municipality adds just enough chlorine to affect the taste so the filter isn't working hard by any means. Flow was bad enough to make me pull it, and I found the feed line plugged solid. At first I thought the sediment was from the lines in our 40 yr old house, but it was the interior of the filter disintegrating. I don't think I'll be installing another one. December 23, 2014
Rated 5.0 out of 5.0 by Excellent Product So glad that the Home Depot carries this brand of water filter. The brand is the best of its kind, and the price is right. August 26, 2015
Rated 5.0 out of 5.0 by Great H2O filter Just bought a new refrigerator, and was not happy about the manufacturer's recommended 6 month replacement of an internal filter @ $50. Installed this filter in the supply line and bypassed the OEM version. Couldn't be happier with the water passing through the filer. August 25, 2015
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