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Old     (bjeremi)      Join Date: Mar 2006       03-25-2008, 9:11 PM Reply   
I was looking for some 3/4" pvc swing type check valves and wanted to know if anybody knew of a decently priced place to get them. The pvc ones at seem to be unthreaded and I am pretty sure I saw threaded ones on here at some pint thanks.
Old     (cyclonecj)      Join Date: Jul 2001       03-25-2008, 9:22 PM Reply   
home depot
Old     (trace)      Join Date: Feb 2002       03-26-2008, 7:02 AM Reply   
HD / Lowe's do not have PVC swing checks, just brass. I had to special order them from a plumbing supply.
Old     (bjeremi)      Join Date: Mar 2006       03-26-2008, 2:50 PM Reply   
Is there some disadvantage of using the brass over the PVC. Also I did end up finding some online at a pet's store. I don't see how they can cost as much as they want for them though.
Old     (analdine)      Join Date: May 2006       03-26-2008, 2:58 PM Reply   
I bought mine at lowes, but they are spring loaded
Old     (froese)      Join Date: Jun 2005       03-26-2008, 3:01 PM Reply   
I've gotten a lot of my stuff from:

Didn't look like they had much in swing checks, but what about a ball check? Flow is still really good... Easier to find that size, too.
Old     (cyclonecj)      Join Date: Jul 2001       03-26-2008, 3:39 PM Reply   
Sorry, didn't see the PVC part.
Old     (bjeremi)      Join Date: Mar 2006       03-26-2008, 3:51 PM Reply   
Ball check valves might be an option anybody offer any input on that?
Old     (wake_upppp)      Join Date: Nov 2003       03-26-2008, 5:41 PM Reply
Old     (froese)      Join Date: Jun 2005       03-27-2008, 8:45 AM Reply   
I've got ball check valves on my system and have no problems with flow. I'm pushing 1200 gph through the lines and didn't see any decrease in fill time before/after putting the check valves in place. Now, I'm using 1" line/check valves - BUT, threads on sacs only allow 3/4" of flow ANYway. If I remember right, I oversized to allow for max flow... pump output was 1 1/8", fill lines are 1" (with 1" ball check valve) and the sac thread is 3/4". I'd have to double check all that, though...
Old     (rich_g)      Join Date: May 2003       03-29-2008, 3:49 PM Reply   
I bought swing check valves from, but I had to glue a pvc threaded bushing in to each end of it.

the opening on the end of the non-threaded 3/4" check valve is 1" I think. After you put the bushing in there you have a 3/4" threaded opening.


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