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The reason they want a minimum of four inches is that connections made too close can leak and that four inch sample will guarantee that the expansions weren't too close and the cause of the failure. In your case, it's clear the pipe is prematurely aged and has nothing to do with how close the...

Yes, one leak can be an aberration, but two leaks means your pipe isn't compatible with your home and and three years in service has aged by a factor of at least ten. Your closeup pic shows pipe starting to literally fall apart. But here's where it gets ugly - if you want Uponor to pay for...

I haven't done all that many expansions (amateur plumber - personal real estate work), but I've never had a leak. I use a Milwaukee expander and automatic expansion heads and have never used the manual expander. Additionally, I made about 6 expansions with Zurn B 1/2" on a small project as an...

Copper does indeed fail - it did on my house after 25 years (not bad really but copper can last 100 years), but after I started getting pinholes, I discovered the real cause was low pH. An acid mitigation system FIXED the cause. Scientific tests show low pH water dissolves copper. Will a...

If that's the reason the Uponor is failing. Is it? Maybe. It's as good a guess as we have right now, but there's no definitive scientific study that concluded what the failure mechanism of Uponor pipe is, and Uponor certainly isn't saying (assuming they even know themselves). But as you say...

What gnaws at me is that if the CPVC is failing there, there's a good chance it will be failing everywhere. If I was planning to stay there, I'd repipe with something other than CPVC. It's probably just me but I don't trust that product at all. John

Manually? Pick up a phone and dial the number of a local septic company that can pump out your tank... This is a really crappy job (sorry) and the equipment you need to do this right and the method of disposal is something you won't have access to. It doesn't cost that much to get it done. John

We don't know of chlorine or chloramine is what's causing the Uponor failure (the youtube guy thinks so but I'm not as convinced) and be aware that it is NOT confined to just the red and blue Uponor - there are documented cases of the white/clear pipe failing in the same manner. I think the red...

First, let me say I'm sorry for your wife's condition. I can't imagine the heartache you deal with day to day. If you lived in anywhere but Georgia, I'd probably say just go with Uponor, but it seems (for reasons no one can explain) that Georgia is one of the hotbeds for Uponor failure. Is...

Maybe finding old abandoned corn silos would be easier... John

Because there's been recent press about Uponor PEX A failures, and all seem to be in the 4-10 year window - not the older stuff that's been around for 30 years.. John

It might be an urban legend, but I heard that "Moen" is a Norwegian word for "persistent drip".. John

I think at this point he's already replaced the fixture. I recommended back when he first posted to pull the cartridge and see if it was generic, but I don't think he did. I would have bought a new one on Amazon, swapped the innards, and returned it. John

Okay, my curiosity is getting the best of me.. are you getting on the bandwagon early for collecting PEX like early baseball cards or are you doing some analysis of the pipe and comparing it to current production Uponor? John

Personally, I have never seen a compression fitting leak. I think the biggest problem with compression is that some folks over tighten them the first time - they don't leak as originally installed but a subsequent repair might be difficult to seal if the copper is badly ringed. John

I can't speak for Milwaukee, but most manufacturers don't put any qualified people on the phones anymore for cost reasons. For all we know, the guy at Milwaukee was a college kid with an internet connection and a software script used to walk people through common problems. Your question...

My understanding (I haven't done it) is that if you raise the temperature of your stored water from 140F (say) to 170F, you can then mix the output of the 170F stored water with cold water to drop back down to the desired 140F (or 150F) to use less of the stored water and therefore increasing...

The brand doesn't matter. Zurn and Sioux Chief (and other non-A pipe manufacturers) certify F1960 expansion, and that only means the Milwaukee or DeWalt power tools or the older manual three arm tools. John

Good to use. But I also noticed that Zurn (makers of PEX B) is offering rotating expansion heads to fit the Milwaukee and DeWalt expansion tools. The design of the moving sections of the head is very similar to the Milwaukee ones but seems to be an improvement that would offer less chance of...

I've never heard that (and not saying it's not correct), but intuitively, I know it's sharp points in the teeth inside the Shark that bites *into* the copper. In other words, this is not a friction fit where the surface texture of the pipe contributes to the hold. {?} John