How to Install a Whole-House Water Filter | Ask This Old House

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Ask This Old House plumbing and heating expert Richard Trethewey improves the taste and odor of municipal drinking water with a whole house filtration system that includes a sediment filter and a granulated activated carbon filter.
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Time: 2-3 hours
Cost: $1,000
Skill Level: Moderate
Tools List:
Tubing Cutter
Fitting Brush/Pipe Cleaner
Torch
Shopping List:
Whole House Filtration System
Copper Pipe and Fittings
3 Copper Ball Valves
Adapter Fittings to Connect Filters
Flux
Solder
Thread Sealing Tape
Steps:
1. Turn off the main plumbing supply to the house and drain as much water as possible from the pipes by opening all faucets and fixtures and then opening a drawoff valve near the main.
2. Determine the location of the prefilter. If necessary, attach a piece of plywood for attaching the filter bracket.
3. Use a tubing cutter to cut in to the main water supply pipe.
4. Clean, apply flux, and solder the adapter fittings to transition into the filter housing on a workbench to keep the heat away from the filter. Once cool, connect the adapter fittings to the filter housing, using thread sealing tape on threaded connections.
5. Clean, flux, and then dryfit the remaining connections. Include “T” fittings that allow water into and out of the filter, but also connect to a shutoff valve that serves as a bypass. Include a shutoff valve for water entering the filter and a shutoff valve for water leaving the filter.
6. In normal operation, the bypass valve remains in the closed position and the two filter valves are in the open position. If the filter requires service, those valves should be reversed, allowing untreated water into the building temporarily.
7. Once all connections have been made, turn water pressure back on to the building and check for leaks.
8. Follow manufacturer instructions to properly activate the carbon filter.
About Ask This Old House TV:
Homeowners have a virtual truckload of questions for us on smaller projects, and we're ready to answer. Ask This Old House solves the steady stream of home improvement problems faced by our viewers-and we make house calls! Ask This Old House features some familiar faces from This Old House, including Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook.
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How to Install a Whole-House Water Filter | Ask This Old House
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Опубликовано:

29 апр 2017

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Комментарии : 611

@daddydoc1115 6 лет назад

"Try this one" "Kinda low tide-y" "SUPRISE WELCOME TO FLINT MICHIGAN"

@Honda-wing5811 3 года назад

After the woven nylon pre-filter is all used up (changed out) they make a very good cordage for marking your garden rows and such. Just hose it off a little bit and let it dry in the sun then you can reuse it for marking your rows in the garden.

@Lughnerson 2 года назад

Good tip.

@ebag3587 6 лет назад

We bought this exact filter for our home. Its a pelican water filter with a sediment pre-filter (thats what the spun filter does). They didn't talk about the steps to prep this filter for installation. You have to do a pre-install soak of the carbon for 48 hours and then backflush to activate it. If you just install it dry without soaking you'll run the carbon material into every appliance, sink, toilet and you'll be in big trouble. Other than that it does what it says it does. Just expensive.

@jeffreyeichelberger6550 Год назад

He should have said that. But didnt major mistake

@HawaiiFoodAndFun Год назад

Thank you for sharing. How long did the filter last for you? (how large is your place/how many people)

@kevindavis3369 Год назад

How long before one of these needs serviced or change the carbon

@webberfan1234 3 месяца назад

I wonder what this process is

@mikereilly8376 7 лет назад

I'd have given anything to be able to stand on a floor and do this. I had to stand on a ladder with my head stuffed in between three floor joists for the entire job.. THAT was misery with every step. But it's done and NOW I'm happy! Great video.

@aliovchess602 2 года назад

wow! creating bypass means how much you care for your customer! really nice attitude.

@skoronesa1 6 лет назад

I would have put in a 4.5x20 with replaceable carbon filters, other than that I didn't find anything blatantly objectionable. I guess there is a first time for everything! You guys have earned it, Good Job!!

@juanlanda2441 Год назад

thanks for showing us. we can always trust This Old House for what we need to know!

@JohnnyD975 Год назад

Don't forget to open the water supply slowly after it's been closed - reduces the risk of high pressure blowing out downstream valves (toilets/sinks/washing machine/etc).

@Clovistoolsdotcom 7 лет назад

I still love this show it is the best for homeowners

@jamescunningham6249 2 года назад

I have the smaller pre-filter installed in the crawlspace area underneath my house, but I do not have the larger steel tank they show here. The smaller pre-filter does a fine job keeping our water odor free and tasting good. I purchased the unit for $200 and the filters are about $32. The filters last about one year before needing to be changed depending on whether or not there has been a water main break. In that case the filter does get dirty quicker and needs to be changed. Mine is a Whirlpool clear glass housing that you can check visually to decide whether or not it is time to change the filter. I paid a plumber $300 to install the unit since it was cramped underneath the house and a little above my skillset! Changing the filter can be a challenge too and it is easy to break the plastic wrench they include to remove the filter. My plumber just comes out when I need him to do it for me and charges about $85 a visit. I'm on city water, but the filter is still a lifesaver when it comes to maintaining my water's overall quality.

@mommyscrazylife9653 Год назад

Iiriad up

@mommyscrazylife9653 Год назад

Zii9

@mommyscrazylife9653 Год назад

-!8!÷

@mommyscrazylife9653 Год назад

8zox d q++a poo q8p]]p p p 230am 1111qq we 11ke1leeiee3i3e8ww9eq1wqp1pe081

@donluchitti 2 месяца назад

Im deciding whether to get a pre-filter for my house or just a RO filter at my sink. Sounds like your filter takes care of your needs, its got to be more than just a sediment filter, right?

@trogdorthebrick915 5 лет назад

Just discovered my wife had been getting sick because we installed one of these without a UV filter. So keep that in mind. These filters can build up bacteria in that little tank.

@buelowexcavating 5 лет назад

What are your wife's symptoms?

@Enemji 4 года назад

and that is why I like to use the Doulton Imperial Silver embedded ceramic filter. Silver prevents bacteria growth, and no need to hook it up to a power source.

@johnpillinger7220 4 года назад

Chlorine in the water should prevent bacteria. Was this well water or city water?

@williamwilson6499 2 года назад

Maybe change the filter on schedule…

@luvbeast77 6 лет назад

I overbuilt my system with two pre-filters in series before the main filter unit. I’m using clear housings so I can see the build up without having to open them. The first one catches everything so well that my second has stayed looking brand new white as on the first day of installation. I change the first pre-filter only once every two years. Aquasana says I should every month but obviously it’s not needed. I live in Southern California using city water.

@marvinbarber9833 6 лет назад

luvbeast77

@Mikka0 6 лет назад

Does it lower the water pressure substantially?

@nickkk420 6 лет назад

California has nasty ass water

@welle417 6 лет назад

Do you have a link to your setup for the clear housings etc? Trying to decide the route I will be going

@jackmazza5742 6 лет назад

Could you tell us more about your system? Did you install? Cost? Thanks for the info.

@davidazinger5639 5 лет назад

Creating a bypass so you can have water while changing the filter is not something 1 plumber in 1,000 would do -- go the extra mile. Amazing fittings / world class job. Curious to know what brand and what style of filtrations system he put in.

@karlheinz1695 5 лет назад

That's a Pelican whole-house filtration system. The larger tanks shown is supposed to be good for 1,000,000 gallons while their smaller unit lasts 600,000 gallons. I installed a water meter in-line to have a better idea when to replace the activated carbon. BTW, the carbon replacement is about $300, not bad for once every five years IMHO.

@JourneyOnLife 2 года назад

OR, you can buy a whole house filter with a bypass valve handle on it like I have. Works perfect. Got it from home depot. GE.

@steakwilliams4448 2 года назад

Customers need to pay for that. Some plumbers charge $600 for a thermal expansion tank right out of the box, no air added (or if your pressure sucks, released). Others charge $150, pumped up to house psi. The guys that overcharge and under work are a stain on this industry

@DeKempster 2 года назад

Should have put 2 manometers in it to see pressure drop over the filters, to know when to replace them.

@BlueCollarSlave 2 года назад

Guess I'm 1 in 1000🙏👍🤣

@emergencyplumbingservices3487 6 лет назад

Nice video on water filter installation.....thanks!

@rohall5060 5 лет назад

EVERY homeowner should have this¡!

@byzidjhan 2 года назад

You guys are doing amazing jobs. Quick notes, it would've been nice if guys ran some electronic water PPM tester on it to see before and after water result. Wondering which system to pick for the entire hous.

@ao-vp5bc 2 года назад

Yup. Im looking for the best water system.

@nledelnr 5 месяцев назад

@@ao-vp5bc What system did you settle on?

@bluekeet 4 года назад

I always learn something new from these videos, very informative.

@1806StoneHouse 7 лет назад

I will be installing this in my 1806 Renovation! it's great and you make it look so easy. Thanks!

@bigbeef8935 4 года назад

1806StoneHouse f that who wants a house from the Stone Age. And dump money into it on top of that? 😂

@1806StoneHouse 4 года назад

Big Beef89 me

@DashieNCheekie 2 года назад

@@bigbeef8935 Old houses are cool what you talking about 😄

@JorgeRodriguez-xk6fv 4 года назад

In South Texas i put rocks then resin then carbon and then kdf 55. Im a master plumber by the way

@ellobo8593 7 лет назад

That's awesome!!! Main water line next to the electrical panel.

@marcosmota1094 6 лет назад

Also, no support for the horizontal pipe length coming down from the ceiling. Some came later after the retrofit of the the filters.

@rtel123 6 лет назад

especially with underground services. They only want to cut one trench if possible. So your power, tel, cable, water, sewer and storm often enter the house together.

@KitchenerLeslie2 5 лет назад

rtel123 electric goes to meter outside house first

@crpth1 5 лет назад

Tip: Many water pipe systems serve also as ground/earth connections. In this particular case, looks like the connection is near the ball valve. So it¨s not affected by the installation or material chosen for the upgrade. If it's not the case its always good to check the respective connection and suitable materials to make sure that part is not "electrically" insulated. ;-) Example, completely plastic filter or PVC pipes. Cheers

@tonyradca1235 5 лет назад

What a mess water meter, natural gas meter and electrical service all in the same corner. At the very least I would have shored up the piping by the electrical service box and not left it flopping all over the place weaking the pipe. To do it right, i wold hav had the water turned off out side of the house and replumed the water flow away from the electrical service and the gas service before bringing it up for the water filtration.

@domainzone2759 5 лет назад

We have Aquatic filter systems whole home system. Problem water three systems over ten years nothing made it perfect until the WellGuru. Best whole video on his channel sold me. Those inline filters clog in two weeks.

@jeanmorin4580 Год назад

"low tidy" ?? LOL! Thanks for the clip!

@macsrule94 6 лет назад

what did he use on the pre filter to change from copper to the thread? He solders up some female adapters but the filter housing is clearly female too, what did he use to join the two and not get leaks? If you use a copper male adapter threaded in the housing won't you get a leak?

@ajc5869 4 года назад

Lmao i love how he acted like he didn't know if it was filtered or not like he didn't just watch her fill it from the filter

@joseas1518 3 года назад

She said it takes 15 min for filter to kick in.

@MrMusic55123 2 года назад

Lol 15s

@Freedom_Fighter72 10 месяцев назад

I'm looking to get one for my aquariums...might as well do for my home

@Alexander84129 3 года назад

Richard definitely hit that

@RequiemTears 4 года назад

Good evening everyone. I hope I can get guidance on installing a whole house water system. I see like in this house it has a basement with the lines but what about a single home with no basement. I have been trying to find the main line to hopefully install a system but I can't find it. Any help would greatly be appreciated.

@user-kb2xv5jc8g 7 месяцев назад

Very well , and clearly explained.

@tawhid6056 6 лет назад

how is this plumber ?I love him he knows everything

@mohamedasem4716 7 лет назад

good work ..very nice

@charlescoker7752 9 месяцев назад

We had the whole house filter installed. It has a back flush system. It back flushes after so many days. This system , the charcoal would have to be changed more often.

@snoglydox 11 месяцев назад

. *My water comes in through the ground and then is distributed from there; my water shut-off is in the ground somewhere between my home and the meter at the sidewalk. Where do I put a whole-house filter system? Do I need to add a water line all around my home to the other side where the garage is and then back, or is there a outside system where I can install at the inlet?*

@kingraiderr 4 года назад

Richard is a great plumber.

@MichelleBrown-iz4mx 15 дней назад

We just installed a new whole house water filtration system. I have a water tester and tested the water. It still shows 3.0 on the tester for solids. Does this mean it's not working?

@RyanJohnsonD 3 года назад

i am interested in a uv o2 filtration system. do you have a video?

@KeffelewAssefa 6 лет назад

Thank you.

@russellandreasen2682 6 месяцев назад

Not a comment, a question...I'm looking at a house that has the water heater on the second floor. I would like to move it to the garage. There is an existing softener loop in the garage, can I plumb the water into that loop and put a loop upstairs to replace the water heater?

@shantor100 10 месяцев назад

I've always wondered that the water from the filters still have to run through old pipe to the faucets you now drink from

@Blobjonblob 7 лет назад

Good man Ricky.

@thayden8804 5 лет назад

What about if you have a 2” water line coming into the house?

@fram1111 Год назад

Is this a good solution for well water, plus we need to add water softer?

@avalonhomestead9077 2 года назад

Good video, but did you do a well system. We have one and it has different elements and timelines.

@matthewkromer9256 7 лет назад

What about a water solftner and for the hard colds just a whole house filter maybe even better a ro system for her drinking water and ice maker?

@ballistic188 3 года назад

This dude’s a G!

@boorayin2773 2 года назад

Just generally, about how much would I expect to have one of these installed?

@robertmikita5745 4 года назад

How do put a water filter in when you have a well pump no basement I have a crawl space

@mazz777 6 лет назад

Does this slow down the water pressure in the house

@guru9040 4 года назад

Nice job

@scundoorsup5342 2 года назад

Richard loves his beer!!

@simonwoo5330 6 лет назад

anyone know of a filter with a waste gate in an auto flush ?

@shannonthomsen1843 6 лет назад

Have to have soft water for the lawn also???

@gksjsj4892 6 лет назад

I like the clear clovers instead of blue, also replace filter Every four ish months

@MisterTwister88 4 года назад

Gks JSj If you’re changing the filter every 4 months, what difference does it make if the canister is clear?

@stevennovak7992 5 лет назад

His face at 0:45 is funny as hell

@markofsaltburn 3 года назад

I’ve never seen a plumbing expert drink a glass of water quite as flirtatiously as that before.

@robwebnoid5763 6 месяцев назад

I have to wonder how long those bigger whole house filters will last with underground well water.

@kumararaja9907 7 лет назад

Love respect and bow water

@donluchitti 2 месяца назад

How do ya know if ya need a sediment filter? I have a softener

@mpharr2 7 лет назад

Ultimate Sediment Filter- Pentair Dual-Gradient Density Spun Polypropylene Filter Cartridge Rating: 25 micron pre-filter; 1 micron post-filter . The 20 inch filter Part Number DGD-2501-20

@SanchoSanto 3 года назад

Wouldn't see through containers make more sense because then she can see when the filters start getting dirty. I'm planing on using 20" filters rather then that giant cumbersome thing. Large tanks are just a big hassle to deal with vrs A 20" that gets changed once year.

@DuderofDudeness 6 лет назад

Gotta love Kevin's innocence

@michaelhardy8589 4 года назад

4 whole house filters and UV light water filter system

@johnyarborough8283 Год назад

Would it be possible to come to my house and install a whole house filter system? I live in south Mississippi.

@normbograham Год назад

Where I installed the "prefilter", filter must be replaced every 5 months, because it sours after 5 months for me, but at other locations, I've seen it last, a year.

@danielkofman4592 3 года назад

Can you install this in a crawlspace?

@vinha916 5 лет назад

does anyone know what size of pipe he is using?

@pepsicocal262 2 года назад

How long does it take water to filter with that new filter? They instantly tested the water

@tomklink6016 5 лет назад

Where can I find the filter system

@dlg1776 5 лет назад

What is the name and size of the prefilter?

@jatomasino1484 3 года назад

Come to my house. Its 100 years old this year. Needs a new sewage pump, whole home water softener/filter, and a tankless water heater.

@sharons9367 5 лет назад

I would find out if my neighbours water was the same first ! Our neighbours had the same problem and replaced the pipes Filters still great idea for metals and chemicals in water

@dkchen 5 лет назад

I don't know if it'll get chemicals. I think it gets all the metal, dust, etc.

@sharons9367 5 лет назад

dkchen hi depends which chemicals If you google chemicals in drinking water you will be surprised what it contains

@divyangvaidya9675 3 года назад

What was that strip he was using to clean copper pipe? 2:23

@franciscojuarez52 5 лет назад

Those pelican filters come with a by pass on the carbon tank so there’s really no need to put a bypass in the water line. That’s what those red handles are for.

@mikailmuzfer8379 3 года назад

#sssjn BBC NJ Bjorn gt

@nova31337 2 года назад

That works for the main filter, but without the bypass he created, you'd be screwed trying to change the pre-filter without having to shut off water to the whole house.

@balrajsinghpanesar8457 5 лет назад

Are water comes sweet and filtered

@Dr.DarkMatter 6 месяцев назад

I would say he's definitely addressing a safety issue too because the carbon filtration media removes chemicals like pesticides, herbicides and pharmaceuticals. I like the soldering and fitting job complete with several valves. Great job guys

@Painfulwhale360 2 года назад

It’s great to have your water main right beside your breaker panel 😬

@pthomas776 5 лет назад

What is the brand of carbon filter?

@UltraHydrophobiccoat 5 лет назад

What’s the TDS reading?

@sajidhasan34 5 лет назад

any idea for salt water???

@jackpast 2 года назад

Love when people butcher a foreign word but the meaning comes through. Perfecto!

@sparkyheberling6115 11 месяцев назад

Does a whole-house filter system mean the cold water pipes will have lower flow?

@mauriceclemens3286 4 года назад

This is great for an older northern house with a basement. How about a single level home in North Texas? The only way I can turn off the water is at the meter. I would like a filter system that removes the fluoride the city puts in the water.

@jasonsejkora4578 3 года назад

The reverse osmosis system he installed should remove most of it. I'm here looking for the same thing actually. Not sure which brand I'll get. I'm also concerned with garden watering and water spots on car washing.

@billab0ng83 Год назад

There is still 30 feet plus of piping after the filter , and the hot water heater

@billmitchell5805 3 года назад

How long did you have to run the water to know the new filtered water is what she is tasking.

@RockingKhakis 6 лет назад

Smart move installing that bypass valve.

@H_o_g_a_n 5 лет назад

yeah, backwards

@MisterTwister88 4 года назад

B. Cot Waste of time

@Moelester692 2 года назад

They need a big one of those for flint Michigan lol

@aspenwatersolutions1793 5 лет назад

Was that a surgical stainless steel tank with a Clack valve?

@jdorffer 5 лет назад

No need to filter all of your water, only filter drinking water if need be, a small filter can be installed inside kitchen cabinets that will fix taste issues, and Can be changed cheaper and easier than the carbon filter shown

@CheapAssHack 5 лет назад

You got it. I have a two stage under the house that filters kitchen sink and ice maker. Why filter shower and toilet water?

@JenniferFuchek 4 года назад

Yep. No point in filtering shower, toilets, washing machine & dishwasher. Water softeners are different those are needed for most all connections besides toilets.

@ChrisMalka 4 года назад

Not sure why this video was recommended to me, nor why i watched it all the way through....but I’m not mad. I was interested the whole time. Thinking about now doing this with my own house

@TheJayDawgZ 7 лет назад

I hope you flushed the system prior to drinking it. didn't show that.

@DuncanCunningham 7 лет назад

Skinny Mcdoogin well he did have dirty hands in the basement and clean hands when he showed up in the kitchen but he could have mentioned that to the viewers. TV magic.

@JoniAntonio 7 лет назад

Its TV time man... Interstellar did not take several thousand years to be shot...

@DennisDA 7 лет назад

My thought exactly. Otherwise the first several glasses would taste just the same as they did before.

@BB-nn9en 6 лет назад

He did flush it. Otherwise there would've been air coming out of the faucet from when he drained the system down.

@skoronesa1 6 лет назад

If he hadn't that water would have been black with carbon and that aerator wouldn't flow a drop after the first glass.

@venividivici4253 4 года назад

They shared a glass how sweet.

@impc2505 5 лет назад

How do these filters effect water pressure? I'm on a well and pressure runs from 20psi - 40psi. It already sucks, will the filters drop pressure throughout the house even more?

@Cynthia_Cantrell 4 года назад

Yes, they will drop the pressure more. If you are on a well, you may be able to increase the pressure by adjusting the setting on the switch for the pump.

@johnnylafount5799 6 лет назад

why didn't you add a draw off the first thing you complained about when you started working on the system

@user-oq8qw1uu9t 3 месяца назад

Nice

@pillbelichick 4 года назад

1:56 when the grinder is packed

@DistantGlowingStar 6 лет назад

Too much maintenance, filter changing. BTW, whole house water filter, do you flush filtered water too ?

@lordmarshall5239 2 года назад

Does it filter arsenic ?

@19mitch54 4 года назад

I prefer the carbon block filters in standard size cases to granulated activated carbon. Cheaper and work better.

@MisterTwister88 4 года назад

Mitch Scherer Good for you

@scottcomella2264 7 лет назад

Best add before video ever.

@anilkurugode843 7 лет назад

those ball valves are not complicated: if the lever is in line with the pipe, the value is Open and water is flowing. They only have a 90Degree movement.

@ltr310 7 лет назад

How do you clean the main activated charcoal tank? Is there a backflush as found in water softener systems?

@GGs319 6 лет назад

typically, water treatment companies will install a backwashing carbon filter rather than just a tank with carbon in it. I think that was his question as the equipment installed does not have any backwashing potential.