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Reverse Osmosis Water Question #5415370 04/28/20 08:00 AM
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sasilverbullet Online Content OP
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Recently moved into a new to me home and under the sink is all this plumbing. I'm pretty sure it's reverse osmosis water system. The water that comes out of the drinking spigot is cloudy and tastes weird.

Are there serviceable filters under here?

Can someone please explain what I need to do to service it?

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03 Porsche 911 Driven DT-40 5w-40 & Mahle filter
14 Honda Accord 4dr EX-L 4cyl-M1 5W-30 & WIX
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Re: Reverse Osmosis Water Question [Re: sasilverbullet] #5415374 04/28/20 08:06 AM
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pbm Offline
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I would say YES they are serviceable since they mention "2000 gallons or 1 year" right on the filter.
I would call that phone # (877) 693-PURE and ask them the procedure....I would think you would have to source the
filters from them anyway....I'm sure the 'service' would be to depressurize the system and change the filter...


'Journalism is Dead'
Re: Reverse Osmosis Water Question [Re: sasilverbullet] #5415388 04/28/20 08:23 AM
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Snagglefoot Offline
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A reverse osmosis cartridge looks fairly similar to the others but functions way differently. Firstly, water goes through the other cartridges. If there is a reverse osmosis cartridge look for additional hoses. Reverse osmosis takes a side stream, in that some water makes it through the membrane and the rest ( carrying the minerals) is discarded down the drain. If you don’t see a drain, and hear it functioning, there is no reverse osmosis going on. More photos might help.

Last edited by Snagglefoot; 04/28/20 08:25 AM.

If you want the job done right......do it yourself.
Re: Reverse Osmosis Water Question [Re: sasilverbullet] #5415408 04/28/20 08:47 AM
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henni Offline
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On all our homes we've removed all previous filtering systems, mostly due to proprietary ("must buy from so-and-so supplier") parts. This included reverse osmosis systems where there also was the added cost of a continuous water flow ("we pay for every gallon used and sewer charge").

What has worked well after removal is to setup any brand (Home Depot, Lowes, Amazon, Walmart) 5-year type pre-filter (typically a very large carbon filter) and then connect a 3-part water filter with sediment, taste, membrane - quick change cartridge system (about $100 on amazon, several styles). This setup lasts for years and you do not need to change every filter at every recommended interval (some have 6 months, some have 12 months, some are based on gallons, some based on dates).

Another option is to setup a water distiller (boiled condensate is collected for drinking and cooking) but it requires lots of power and a method to dispose of the boiling hot water.

Re: Reverse Osmosis Water Question [Re: sasilverbullet] #5415430 04/28/20 09:20 AM
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mk378 Online Content
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The blue part in the back is the reverse osmosis column or membrane. Finished treated water accumulates in the large white tank. The puck-shaped part with 4 ports is a valve that stops the incoming flow when the treated water tank is full to prevent constant use of water.

All those parts are available generically. The name on the label doesn't mean much, there are lots of little companies building these systems.

Last edited by mk378; 04/28/20 09:24 AM.
Re: Reverse Osmosis Water Question [Re: sasilverbullet] #5415449 04/28/20 09:54 AM
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Donald Offline
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I would send a sample of your water from another faucet that does not have this filtering to a outside lab and have it analyzed. The prior owners could have been sold a bill of goods. The water conditioning business is full of over priced rip off companies.


2015 Ford F-250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Reverse Osmosis Water Question [Re: sasilverbullet] #5415470 04/28/20 10:36 AM
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double vanos Offline
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I didn’t realize reverse osmosis discarded some water down the drain. Here in Az that’s a big no no as it is a waste of water. I like henni’s idea best.


Sabine Schmitz is the Queen of the 'Ring; Svetlana Kapanina is the Queen of the SKIES...
Re: Reverse Osmosis Water Question [Re: sasilverbullet] #5415480 04/28/20 10:46 AM
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MNgopher Offline
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mk378 is on the right track. We have a similar type of system in our home, though no electrical stuff on ours. Though ours is proprietary (and the dealer would love to service it), you can find all the parts on line with a little hunting. Ebay was my friend here...

Go look on Home Depot's site - the system under your sink looks like a dead ringer for the ones they sell...

There is no continuous water flow with our reverse osmosis system. When the finished water tank is full, there is no flow. Reverse osmosis will always have waste water - they just put them in different places depending on the system. Ours currently goes down the drain.

Last edited by MNgopher; 04/28/20 10:47 AM.
Re: Reverse Osmosis Water Question [Re: sasilverbullet] #5415502 04/28/20 11:10 AM
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SLO_Town Offline
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I have to chuckle at the copper wire that's used instead of a nylon tie wrap.

Scott


03 BMW E46 330Ci ZSP (Euro Castrol 0W-30)
10 Honda Element SC (Castrol Magnatec 5W-30)
11 BMW E90 328i M-Sport (Pennzoil Euro 5W-40)
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Re: Reverse Osmosis Water Question [Re: sasilverbullet] #5415503 04/28/20 11:10 AM
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JohnG Offline
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There is more than Reverse Osmosis going on here. That UV light treatment "box" (the little black one) is not part of reverse osmosis, but is an additional disinfection step. These usually are replaced annually. Likewise on the carbon filter. That is pretty much a taste and odor filter. Likewise, replace annually or sooner...according to directions or flow amount.

The IRON filter is also NOT a standard RO filtration piece, but an add on as well. Replaceable.

What you have here is a complete water treatment system where someone has anticipated Bacterial, Iron, hardness (RO water is soft) and other chemicals like sulphur (bad taste/smell) or even Nitrates (RO).

Drain flow is CONSTANT WHILE MAKING WATER, but when the tank is full, drainage stops.

In fact, this may not be a Reverse Osmosis system at all, but just filtration which is completely different. RO sysytems sold at Home Depot (and others) generally consist of three separate "filter" piped in series, with drains. I don't see that here at all.

Regardless of what this system is, if it's putting out cloudy or smelly water, it's not working right and needs repaired.

Last edited by JohnG; 04/28/20 11:12 AM. Reason: Forgot something
Re: Reverse Osmosis Water Question [Re: sasilverbullet] #5415540 04/28/20 11:50 AM
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MNgopher Offline
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I'll connect the dots I guess...

From Home Depot:

https://www.homedepot.com/p/Home-Ma...s-System-TMHP/205618359?modalType=drawer

You can find the manual, etc... there.

Or, head to the source:

https://www.theperfectwater.com/Premium-Reverse-Osmosis/


Last edited by MNgopher; 04/28/20 11:53 AM.
Re: Reverse Osmosis Water Question [Re: double vanos] #5415605 04/28/20 01:00 PM
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Donald Offline
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Originally Posted by double vanos
I didn’t realize reverse osmosis discarded some water down the drain. Here in Az that’s a big no no as it is a waste of water. I like henni’s idea best.


Not some, most.


2015 Ford F-250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Reverse Osmosis Water Question [Re: JohnG] #5415607 04/28/20 01:02 PM
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Donald Offline
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Originally Posted by JohnG
There is more than Reverse Osmosis going on here. That UV light treatment "box" (the little black one) is not part of reverse osmosis, but is an additional disinfection step. These usually are replaced annually. Likewise on the carbon filter. That is pretty much a taste and odor filter. Likewise, replace annually or sooner...according to directions or flow amount.

The IRON filter is also NOT a standard RO filtration piece, but an add on as well. Replaceable.

What you have here is a complete water treatment system where someone has anticipated Bacterial, Iron, hardness (RO water is soft) and other chemicals like sulphur (bad taste/smell) or even Nitrates (RO).

Drain flow is CONSTANT WHILE MAKING WATER, but when the tank is full, drainage stops.

In fact, this may not be a Reverse Osmosis system at all, but just filtration which is completely different. RO sysytems sold at Home Depot (and others) generally consist of three separate "filter" piped in series, with drains. I don't see that here at all.

Regardless of what this system is, if it's putting out cloudy or smelly water, it's not working right and needs repaired.


From my reading UV lights don't do what they need to do after 12 months even if the bulb is working. So replace every 12 months.


2015 Ford F-250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Reverse Osmosis Water Question [Re: sasilverbullet] #5415962 04/28/20 07:57 PM
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sasilverbullet Online Content OP
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Thanks for all the words of wisdom!

A filter refresh kit is $120 at Home Depot. Includes new UV light and all the filters. Wife is deciding whether or not she wants to spend that kind of money each year.


03 Porsche 911 Driven DT-40 5w-40 & Mahle filter
14 Honda Accord 4dr EX-L 4cyl-M1 5W-30 & WIX
02 Chevy 5.7L van-GTX HM 10W-40 & WIX
Re: Reverse Osmosis Water Question [Re: sasilverbullet] #5415991 04/28/20 08:55 PM
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mk378 Online Content
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Really the key is what Donald said, get a good sample of the raw water and evaluate it for taste and smell as well as get it analyzed.

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