Canreef Aquatics Bulletin Board - Plumbing advice re: reliability of pvc unions

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- - Plumbing advice re: reliability of pvc unions (http://www.canreef.com/vbulletin/showthread.php?t=103936)

asylumdown

01-12-2014 05:24 PM

Quote:

Originally Posted by 1eyedjyde (Post 872931)

its always a good plan to use unions around the wear items on your plumbing ie pumps, check valves, wave devices. It makes maintenance possible without having to dismantle your plumbing.

+1, my pump would be unserviceable without them. The only problem I have had has been some slow salt creep around where the union joined the flex tube piping. I solved that by smothering the seam in aquarium silicone. I'll never be able to get half the union off the pipe, but all I really care about is being able to get the pump out for cleaning.

The Guy

01-12-2014 06:54 PM

Quote:

Originally Posted by Madreefer (Post 872894)

That's how I tightened one a long time ago and I broke the bond where it was glued on. But I did'nt use primer. As for the o-ring seal i've never had a problem. It's actually a good idea to use unions on external return pumps in case your pump or pump seal goes, much easier than having to cut your plumbing.

I guess me being an HVAC mechanic by trade I forget and assume people would use a hold back on the stationary glued part of the union, also some O-ring lube is good idea on unions.
Hey Bill your new DT looks awesome! :lol:

Madreefer

01-13-2014 01:11 AM

Quote:

Originally Posted by The Guy (Post 872969)

Hey thanks bud.

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