I have two leaking lawn sprinkler valves: one is moist at the valve-to-pvc
connection and the other is dripping solid at the valve-to-pvc connection.
Is there a recommended way to stop these leaks (silicone?) without cutting
out the valve, re-seating and re-cementing onto new piping? I have placed a
mirror underneath and see no visible signs of hairline cracks so I assume
the moisture is coming from the connection itself. Thanks in advance.
the valve out and use pipe tape on the threading. It doesn't look like any
tape was used previously and is likely the reason it is leaking now. I was
trying to avoid this as both valves are inline with one feeding into a Tee
at each end with different sized pipes branching off. It will take some
major surgery but I guess I have a three day weekend coming up.
I fixed mine by just cutting the leaking side, and putting it back
together with a PVC union. A union on both ends of the valve is nicer,
but I only needed to fix one end. :)
You can thread pvc schd40, but thinner stuff not so much. You can get a
cheap pipe threading kit for 1/2", 3/4" and 1" pipe from harbor freight
when it comes on sale.
Or as I did, buy two unions, one for threaded and one for slip, and mix
and match so that the valves each get a threaded half, and the pipe gets
the slip half glued on. A short threaded nipple connects valve-union.
Wanted: Omnibook 800 & accessories, cheap, working or not
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