Back pressure when filter system shuts off

Pool pumps, pool filters and the plumbing of
swimming pools. Sand filters, cartridge filters,
fabric filters and alternative filter media.
Pool Newbie
Pool Newbie
Posts: 1
Joined: Mon 21 Apr, 2008 13:48

Back pressure when filter system shuts off

Postby Rod » Mon 21 Apr, 2008 14:05

When my filter system shuts off, I get a tremendous back pressure/wash shooting back up my skimmer inlet. It looks like a geiser fountain shooting up. I then loose my pump prime. Any thoughts on causes or cures?

Pool Enthusiast
Pool Enthusiast
Posts: 26
Joined: Wed 19 Mar, 2008 19:12
Location: Atlanta

Postby DBServices » Tue 22 Apr, 2008 04:00

Installing a check valve on pump discharge will stop water flow from reversing after pump shuts down.
The Pool Guy
commercialpools at bellsouth.n e t

Same problem

Postby harleyd » Tue 27 May, 2008 15:58

I have the same issue did the check valve fix the problem. Did you ever figure out what the problem is?

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