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Oliver James

  • Posts: 210
4040 RO, no flow
« on: August 29, 2021, 11:29:15 am »
Just changed the RO on a 4040 for the first time.

Turned tap back on.

No pressure.

What have I done wrong?? Any ideas?

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Oliver James

  • Posts: 210
Re: 4040 RO, no flow
« Reply #1 on: August 29, 2021, 12:17:36 pm »
Now working with flow but the ends of the ro are sliding off, even with the clamps tightened to max.

I think I’ve bent the clamps now! Doh!
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Jonny 87

  • Posts: 3488
Re: 4040 RO, no flow
« Reply #2 on: August 29, 2021, 10:51:04 pm »
It can be a bit of a fine art to changing a membrane. But once you’ve done it once it gets easier.

Are you sure the end caps are on properly?

When I changed mine it took a fair bit of pressure to get the end caps back on, then you lock them in place with the clamps. There’s no budging it after that.
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Vision Technician / Visual Engineer /  Vision Enhancement Operative /...........................................................OnlyUseMeWFP AkA Jonny the Windy Wesher
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