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I am just an average homeowner. I have done a few light plumbing jobs, including joining and sweating copper pipes, but I am a complete rookie and pretty much rely on Youtube for help. About a year ago we had a pipe leak water and we called a plumber who replaced the pressure regulator that is near the street (our water supply pressure is very high - probably 150 PSI), and although we had it set for roughly 60 PSI, the plumber told us that the regulator must be going bad since he saw some significant fluctuation with the pressure. Well, about $1,000 later we thought the problem was fixed, but my wife kept swearing that the pressure would come out of the faucets really fast sometimes (which I didn't notice), so I finally decided to give the system a good check BEFORE we started getting leaky pipes again. I have a pressure reader (probably $10 or so from Home Depot), and it screws on an exterior faucet and has the needle that stays at the highest pressure mark. I hooked it up and left it on overnight, and although it always showed 60 when looking at the gage, it was spiking at about 120 overnight. I immediately thought the pressure regulator must be going bad again, but also came across some threads talking about expansion tanks.I have never used or seen an expansion tank in any home I have lived in, so I was skeptical of what benefit it would really bring. I couldn't believe that just heating the water could almost double the pressure, although after thinking about it I realized that while air is easily compressed, water is not, so changes in temperature could VERY quickly increase the pressure. We have two 50 gallon water heaters in series, so if we use up lots of hot water and the system slowly heats up with not pressure being relieved, indeed just water expansion COULD increase the pressure. I basically tested different scenarios over the next day or two, and if we didn't use any hot water, the pressure would stay at 60. But if we used lots of hot water AND then didn't use any for at least half a day or overnight, the pressure would creep back up. Although I wasn't 100% positive the expansion tank would fix our problem, I figured for the money I would give it a go before calling a plumber (which I just hate because it always winds up being super expensive).After researching tanks online I settled at this large Falcon unit. The size was due to our large capacity (100 gallons total). The brand is due to construction and reputation; this is a nice steel tank with an interior plastic liner, so it should never rust, and if the interior rubber pressurized bladder fails then it still should not leak. It was slightly more expensive than other units, but well worth the price for a well made tank.The tank arrived in two days, and the last part of the puzzle was figuring out my approach for installation. After more online research (and not wanting to have to join copper pipes using my lousy soldering skills), I decided to give the Sharkbite system a try. So I bought a Sharkbite "T" joint from Home Depot that accepted the bare copper 3/4" pipe on both ends, and had a "screw on" connector that fits the same type of threads as the expansion tank. Now some people would screw in the tank and call it a day, but this is a large tank and I knew that the added weight on the line would be bad, so I bought a braided connection hose (also from Home Depot) that simply screwed on to the top of the tank, and onto the Sharkbite unit (with one threaded male adapter - again, a cheap Home Depot item). Finally, I decided to mount the tank to some 2x4s using metal strapping (again, an inexpensive Home Depot item).So the installation took me a couple of hours, mostly due to the Sharkbite fitting. First I pressurized the tank to be the same (or slightly higher) than the water pressure. I did not have a bicycle pump, but used a portable car tire pump which had a digital scale. I double-check the pressure with a standard tire pressure gage until I had it at 62 PSI. I figured if the pressure was too low, the tank would just immediately fill with water, but if you pressurize it a few pounds over, the tank will only "kick in" when the pressure increases. Next, I turned off the water at the street and opened up a couple of faucets to drain the water, carefully measured a spot on the copper pipe, and used my little pipe cutter tool (which spins around the pipe - tighten - spin - and repeat until the pipe is cut - much neater than using a hacksaw). The problem is that I only removed an inch of pipe but should have removed two. Although the pipe had plenty of movement on both ends, the angle was just not perfect for joining the pipes, and I wound up getting the Sharkbite stuck on the pipe, which I to cut AGAIN (and not the gap went from 1 inch to 3 inch). So yes - FYI the Sharkbite "usually" can be removed from a pipe, but if it gets inserted all the way until it stops it WILL NOT be able to be removed. Believe me, I am still sore from trying (and yes, I used the silly removal tool and a dozen other tools attempting to remove it). So I had to go back to Home Depot to buy another Sharkbite joint ($15 and lesson learned). The second try was a complete breeze (and that is when I actually read the instructions for this particular joint to remove TWO inches and not just one). I used some Teflon tape around the exposed threads, connected the tank, and then used wood screws and the metal strapping to mount it (so that the pipes would not be supporting the weight of the tank); it doesn't look amazing, but I know it won't cause any issues with the pipes.So I went back to the street, turned on the water, saw there were no leaks (praise the Lord!), and we started back with our normal water usage patterns. After a few days of use (still with pressure gage hooked up), the system has reached a high peak of 80PSI. That is an acceptable level and is MUCH better than the 120PSI we were previously seeing.So in summary, so far this tank works great, and for a grand total of less than $100 and a couple of hours of my time, my house pressure no longer has the massive spikes that had previously caused a water leak. In hindsight, I wish I had done this before and I am guessing my old pressure regulator was totally fine, but live and learn!Thanks for reading my review - I hope this helps others with similar issues.

The (pre-regulated) house water pressure has always been high from the county nominally at 130 psi but recently has risen up to 170 at times and now sits at about 150. The regulator was recently replaced to address the pressure creep when water is not used for a while, but that did not solve it. The (after regulator) pressure was hitting past 70 psi unless water was in use no matter how the regulator was adjusted.A secondary pressure relief valve right after the regulator (not the primary at the water heater) was opening and dumping a cup of water outside randomly day and night.As a test once the line to the hot water heater was shut off, the system worked fine. Water was expanding when heated and adding to the overall pressure on the house side of the regulator but could not go anywhere but out the relief as the county water side was too high.I installed this expansion tank on the cold inlet to the water heater.Immediately, the water pressure in the house was maintaining 55 psi (as set) and did not move. The relief valve no longer pushed water out and the pressure no longer creeped up.I can not comment on the long term reliability of this tank but it appears to be made very well and of course has a five year warranty for peace of mind. This solved the issue.

Well finished product with good quality material. Instruction manual is complete and easy to understand. The welding appears to be uniform through out the diameter of the tank. And this tank offers the best warranty of expansion tanks comparing to what one can get at local improvement stores. This tank has 5-yr vs. 1-yr at local improvement stores. Fitting is standard so it works with all available plumbing connection. I installed this using Sharkbite plumbing connectors and tubing, and that has made my job super easy and quick. Overall, I am very happy with it.

So far so good just installed took little time and effort. We will see as time goes but for now 5 star and customer service is 5 star as well as they are there the whole time to answer questions and trouble shoot if needed. To clarify there was no troubleshooting needed though.

Product delivered on time and good condition. Easy to install with good instructions and seems to be doing well. Thanks for great customer service.

Great tank. Fixed my over pressure problem. Easy to install and good warranty.

The quality of this tank is impressive. I'm a retired Carpenter, General Contractor, Building inspector and have seen a lot of products that fall short of impressive. I decided to pay a little extra for the the quality that was advertised, and I'm glad I did. The delivery time was excellent.

Very well built. Recently installed. Easy installation. I follow a few online plumbers suggesting purchase of one size up related to expansion tanks. I followed their advice and logic. I will update this post in a year informing on how the tank is holding up.