1. Water Rehab

1. Water Rehab

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Gilbert, AZ

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Services - Water Rehab

Water purification system cleaning and maintenance

Water purification system installation

Water purification system repair

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Constantine owner of WATER REHAB has done a lot of work for me over the years! I was very fortunate to hear about him, he does phenomenal work in a timely manner at a very reasonable price. Very honest! I've had him put in our reverse osmosis, tankless water heater and today a new water softener as my old one took a dump! Today I got the opportunity to meet his son Daniel as he knows the business also and was only here to help. Daniel is well trained in all facets of the business. I'm here to tell you WATER REHAB is the best, you can't go wrong with their products, service and installation.

This is how the technician left my bathroom and left us without running water to my home.

I called to have new fixtures put on my bathtub/shower combo. The technician that arrived broke a piece if the original fixture and it was stuck in the pipe. He tried for over 2 hours to remove the piece from the pipe. I finally asked that he call the owner. He said the owner was busy. The owner would not answer my calls or text messages. Finally the technician came back into the house, packed his stuff and said that the owner told him to leave and for me to call another company. He left my bathroom completely unassembled with all of the fixtures off and a gaping hole in the wall. We were unable to turn the water back on, as it would have flooded the bathroom without the shower fixtures installed. I had to call another emergency plumbing company to come to my house late at night and fix the problem that was caused by the techician from Water Rehab. This was the worst customer service I have ever encountered!

Water rehab did a amazing job ! Happy with the install and was able to get my install serviced  within a day of response ! Thank you
Andrew T.

Fantastic company ! Great job on the install super quick and reliable ! Would recommend

Thank you Constantine, Steve and Jess for doing a fantastic job in installing the Navien tankless water heater and replacing all 3 toilet bowls at my house! You guys did an awesome job and our family are very grateful~~~I would highly recommend your company to everyone!

Thanks for installing water softener same day!

Highly recommend Water Rehab, very reasonable rates and they did a great job installing a new water softener! They were also able to install same day. Will use again for our bathroom remodel.

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6 months ago

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1 year ago

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2 years ago

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2 years ago

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2 years ago

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4 years ago

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Constantin G.

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7 years ago

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3 years ago

Great service, great price, honest! Highly recommended!!!! I've been using them for 3 years. Consontine is the best!!!

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7 years ago

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Review Highlights - Water Rehab

I got into our community page asking for plumbing help that evening and Costel responded.

Mentioned in 3 reviews

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Complete Water Systems

Complete Water Systems

4.9
(104 reviews)

EASILY my favorite company I've ever done business with in the Valley!…read more I had a unique situation with getting a two stage whole home water filtration system added to my existing salt water softener. Brian was so knowledgeable and passionate when he came out to talk about my home's existing plumbing. When we bought the house in 2022, it was called out on our inspection report that the polyethylene piping from the main to our home should be replaced. After talking with Brian, I felt so good getting CWS to replace and redo the poly with good old copper. Michael came out a few days later and did a beautiful job installing all the copper plumbing and two stage water filtration system that includes the water pressure gauges and bypass valves (which are great to have for servicing and/or if something bad happens in the future). I highly recommend everyone get the psi pressure gauges installed ESPECIALLY with the valley having higher water pressure right now with the ongoing construction needs (which I'll talk about next). After Michael completed his job, the city of Phoenix replaced my water meter. Turns out my old water meter near the street had a leak to it. Once the water meter was replaced I noticed the psi on the gauges climbed to 100-110 (depending upon time of day). For those that don't know, plumbing likes to be in the 50-70 psi range. Anything above 90 and you should really get a plumber out to look at your pressure reducing valve (PRV). While my pressure was high, I noticed my backyard irrigation system was EXTREMELY powerful! The way the water from the main gets teed off between inside of my house and backyard pool + irrigation needs, it was obvious city of Phoenix replacing water meter was the culprit. Whenever a water meter gets replaced, they don't do a good job keeping it clean installing it where sediment will often get into the line and cause PRVs to fail. That's what happened with mine where CWS came out the next day and replaced both of my PRVs with Kyle doing a great job as well. Now, my water pressure is sitting nicely at 70 psi. I like my pressure on the higher side of that 50-70psi Lofty review but I really loved having this company update my plumbing and install the whole home 20" big blue water filtration system! They really do care about customers AND the work they do. There's a VERY GOOD reason their reviews are 5/5 on Google and Yelp! Can't beat their prices too that are VERY transparent! Great payment options and warranty as well! Also, I like the products they use since it's NOT relegated to a single manufacturer. Will recommend them to everyone.

I had a tankless RO under the sink with a line to the fridge installed. The tech called when he was…read moreon his way to let me know when he would arrive. I appreciate the clear communication on arrival time. Some contractors are no show no call. The price was transparent. They list their base prices on their website and they also came and did a quote in person so I knew ahead of time what the final estimated price would be. I was nervous to allow someone to drill into my quartz counter top but it was drilled with precision and craftsmanship; this was for the RO faucet. The tech was professional, friendly, and involved me in the installation process. He also was around after installation to answer questions. All in all I am satisfied with the price, product, clear communication, and customer service. If you want an RO in your house because you are tired of gross tap water, let this company give you a quote. Don't get ripped off by other companies that will charge double for their "proprietary" product.

What Plumbing

What Plumbing

4.9
(14 reviews)

If you've ever found yourself in a tight spot (or with tight filters), look no further than WHAT…read morePlumbing. I was practically at my wits' end, wrestling with three over-tightened whole house water filters that just would not move. I had tried every remedy and YouTube tutorial under the sun. And after I had wasted enough money on filter wrenches, straps, and other Amazon best sellers, I decided to swallow my pride and bring in the professionals. Enter the dynamic duo from WHAT Plumbing. They were friendly, professional, and they arrived within an hour of my call. You know that old saying, "It's a two-man job?" Well, this was definitely the case. These guys weren't just swift, but they put in some serious elbow grease, spending ample time to carefully crank off our stubborn filters -- with the precision of a surgeon and the strength of the Incredible Hulk. I'll also admit, there was a part of me secretly relieved that it wasn't a total walk in the park for these guys either--affirming that I didn't simply forget to turn off a valve or switch somewhere along the DIY route. Now, I'll mention cost. In a world where you often pay a premium for urgency, WHAT Plumbing was incredibly fair. Considering the amount of extra effort they had to go through, I'd say more than reasonable. So, will I be calling them again? Absolutely. For their timeliness, efficiency, and for not making me feel like a moron who can't break loose his own filters -- WHAT Plumbing has earned a customer for life. If you find yourself up against a serious plumbing challenge, do yourself a favor and call these guys before going down the Amazon best sellers list. You won't regret it. Now, if you'll excuse me, I have some return shipping labels to go print.

We recently had a 6 year old water heater break unexpectedly (one of the internal heating elements…read morepopped). We called Parker and Sons initially and they tried to rip us off so I went on Yelp and requested a few quotes. What Plumbing responded quickly and was professional but they were not really forthcoming with a quote. The water heater broke on the Saturday before Memorial Day and What Plumbing said they couldn't come out to my house until Monday to give a quote. Over text, they provided a general range but didn't give any details as far as what brand of water heater would be installed. I wanted to make sure it wasn't a crappy brand or that they weren't just going to go to Home Depot and pick one up. Plus, if we waited until Monday and we didn't like their quote, it would have only delayed the process. We wound up going with a different company.

Water Rehab - waterpurification - Updated July 2026

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