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LOW SHOWER PRESSURE: DOES THAT BOOSTER PUMP REALLY WORK?

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science856
Posts: 14
(@science856)
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“Pumps are great if your supply is weak, but if the pipes are shot, you’re just fighting a losing battle.”

Yeah, I’ve seen that play out more than once. The first time I helped swap out a booster pump, I thought it was gonna be a quick win—just like you said, it worked for a few days, then back to square one. Once we cut into the old pipes, it was like looking at an artery clogged with bacon grease. You nailed it, there’s just no substitute for healthy pipes. Sometimes the “quick fix” just buys you a little time (and a lot of noise).


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(@jonharris555)
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Honestly, you can slap the fanciest pump on a mess of corroded pipes and it’s still gonna be a trickle. I’ve seen folks spend a fortune chasing pressure, when what they really need is a pipe replacement. Pumps can’t fix rust.


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(@politics950)
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Honestly, you can slap the fanciest pump on a mess of corroded pipes and it’s still gonna be a trickle. I’ve seen folks spend a fortune chasing pressure, when what they really need is a pipe replacement. Pumps can’t fix rust.

That’s spot on. I ran into this last year. Thought I’d outsmart the system and picked up a mid-range booster pump for our upstairs shower. The pressure gauge looked good right at the pump, but upstairs? Still weak. Ended up cutting into the wall to check the copper lines—greenish buildup everywhere, inside diameter practically half what it should’ve been. No pump’s gonna push water through that.

If your pipes are old, especially galvanized or even older copper, all the boosting in the world won’t help much. I had to bite the bullet and replace about twenty feet of pipe in the attic crawl. Not fun, but once the new PEX was in, pressure shot up without any pump at all. Sometimes it’s just physics, not gadgets.

Still, I get the temptation. Pumps *do* help if your main supply is low but your pipes are clean. For me, it was a waste of time and money until I fixed the root problem. Couldn’t agree more—if you’re only getting a trickle, check the pipes before buying more hardware.


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coffee_cloud
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(@coffee_cloud)
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I get where you’re coming from, but is a full pipe replacement always the only fix? I mean,

“if you’re only getting a trickle, check the pipes before buying more hardware.”
—sure, but what about folks on a tight budget? I’ve seen some people get by with just replacing the worst section or even cleaning out aerators and showerheads. Maybe not a forever solution, but sometimes it buys you a couple years without dropping thousands. Anyone else try patch fixes before going all in?


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elizabeth_moon
Posts: 18
(@elizabeth_moon)
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“if you’re only getting a trickle, check the pipes before buying more hardware.”

Honestly, you nailed it—sometimes just cleaning out a clogged aerator or showerhead does wonders. I’ve seen folks swap out a couple feet of old galvanized pipe and get another year or two out of their system. Not always pretty, but if your wallet’s screaming louder than your shower, patch fixes can do the trick. Just keep in mind, if you’re constantly fighting rust chunks or black gunk, that’s your sign things are getting dicey... but hey, I’ve patched plenty before recommending the nuclear option.


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