Vacuum Port Cover


New member
Aug 29, 2013
The vacuum line on my in-ground gunite pool currently has a slip fitting. I would like to put a spring loaded port cover on the port, but it looks like they are only available for threaded ports. Is there a cover available for slip fittings, or a way to replace the current slip fitting with a threaded one?


Well-known member
Jun 28, 2012
Presumably you could ream out the existing hole and then tap threads into it for the threaded port cover, but if anything goes south you could end up with a mess that's not easily repaired.