Do I need to upsize to 1” PEX?

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KCunningham

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I’m trying to clean Up/organize my water filter system because it’s an unsightly mess. In doing this I’ll need to add in a number of PEX elbows to go between my 4 backwash filters. 3/4 copper supply. My biggest concern is drop of flow rate as these backwash filters need at least 5 gpm flow to work and I’m teetering that with my 1hp jet pump and dug well.

I have all the supplies for 3/4 PEX but was advised that I may need to use 1” PEX to make up for all the elbows.. Does this sound right? Any advice appreciated thanks!
 

wwhitney

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Probably. If these pipes are carrying all the water for a house, 3/4" PEX is on the small side, it's smaller than 3/4" copper. 1" PEX would be a bit bigger than 3/4" copper and more typical.

Cheers, Wayne
 

Reach4

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While making your changes, consider installing some pressure gauges or boiler drain valves. The drain valves can accept a garden hose thread pressure gauge, and a pressure gauge is a good way to know which filter is getting clogged.
 

Weekend Handyman

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I am not a plumber and have never installed a filter.

Here is a video that I watched and found very informative:


Pat is a plumber in Alberta.
 

KCunningham

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I have a pressure gauge before the series of filters and then another at the end. My thought is if there’s pressure drop I can bypass each filter one at a time to test which is clogged. That works right?
Also my pressure is 60psi I’m noticing..isn’t 50psi more standard. I think higher psi lowers flow rate?
 

Reach4

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If you have bypasses around each filter, that should work.
"Also my pressure is 60psi I’m noticing..isn’t 50psi more standard. I think higher psi lowers flow rate?"
Huh? Maybe you are talking about a pump. Maybe you are talking about a filter.
You should make a schematic of your system.
 
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