First, make sure that the bulkhead nut has not come lose. I’ve had that happen a few times and a gentle 1/4” on the lose nut fixes things. Just don’t let the stem/flange also turn as that can mess things up even worse.
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I just had my leak alarm go off under my tank and noticed a drip from the bulkhead fitting. I guess I will need to drain the tank to make repairs. I am afraid of trying to tighten it as the fitting has not leaked in over 4 years. Are these fittings anything special or can I pick one up in Home Depot or Lowe’s. Looks like schedule 3/4” 40 piping to me. Any advice is much appreciated.
i can't find the reference, the advice I took was to never use teflon tape for PVC because it increases the outward pressure on the fittings, and makes it more likely to split, particularly when it comes to the small imperfection sometimes created by the seam.
I always use this stuff, completely covering the threads on the female part.
Exactly.. I was always told do not use teflon tape on plastic threads always use plastic thread sealant like:
I have never had a thread leak with it.
It's been said, No telfon tape on plastic/PVC threaded pipe!
If the bulkhead is cracked, replace it and only use pipe dope (for plastic pipe) to make the seal.