Opened my pool here in Virginia yesterday and as a rookie pool owner I
had a couple questions. Everything went pretty well and there was
minimal grossness in the pool once I got the cover off. Pumps started
fine. Two problems...
1) There is a line that comes off of the pump, splits into two lines
with a valve on each side, then they both go into the ground. I assume
they are the feed lines for the two drains on the bottom of the pool,
but not sure. Anyway, they are leaking about 6 inches above the
ground. It appears that they are PVC pipes with a plastic gasket
connection of some sort and a screw on plastic cover (kinda like a
mason jar cover that goes around the top of the seal). Is there a
reason those aren't just cemented PVC pipe? I assume they are leaking
because the gaskets are old, so is that something I can easily repair?
Or is is possible to just use PVC cement and seal them up?
2) Second, my sand filter had the small drain hole removed at the
bottom by the person who closed the pool. When I put it back in and
turn on the pumps there is leak from that hole. It looks like it was
caulked or had some other sealer put on there in the past. Can I just
caulk it with a kitchen/bath caulk to patch the little hole where the
screw in drain plug doesn't fit?
Any thoughts appreciated!
Compression fittings. Obviously so the plumbing can be disassembled for
repairs. Pumps often require removal for service. Take it apart and
replace the gasket if deteriorated. Reassemble *with some O-ring lube* and
you won't have leaks. Lubed compression fittings will tend to telescope
out, so make sure the assembly is held together by something other than the
friction of compression joints (friction you will no longer have).
Use Teflon tape. Check the fitting isn't already cracked there from
Ok, I've got problem #1 fixed... new o-rings and some lube worked
The second problem is a little more complicated than I originally
thought. The teflon tape did nothing so I got down closer and it does
look like the place where the drain plug screws into the filter is
cracked. The problem is I can't seem to get the stupid sand filter
empty enough to stop the leaking to be able to patch it or do anything
with it. I've had the pumps off for 48 hours and it's still dripping.
It appears to be a metal garden hose sized female plug with a plastic
insert that is attached to it. The sand filter is a 525 lb filter and
it's pretty old. I guess in theory these things should last forever.
Any advice on how to repair the drain cracking?
What is the old material? You must achieve a pressure-tight bond to it, so
it is important to know what it is.
If it is fiberglass/epoxy, I would lightly lube the threaded plug, clean
the crack, insert the plug, and fill the crack with epoxy, working it in
with a toothpick. Remove and reinsert the plug with Teflon tape. Do not
apply to much torque.
Another candidate is 3M 5200 sealant (boat store or boat aisle at Wal-Mart)
in the quick-cure grade, similarly applied.
If there's enough meat around the fitting, you could drill and tap a larger
I tried a couple different approaches last night and none of them
I'm going to swing by a pool store tonight to see if they have the
piece I need or any suggestions as to how to re-plug the filter.
Worst case scenario is that I just plug the hole with something and run
the filter this year, then buy a new filter next year. I think that
might be the way to go anyway.
Thanks for the help Richard.
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