Push-fit plumbing fittings are also known as push fittings or push-on fittings. They’re specially made for use on PEX, CPVC, and rigid copper water pipes.
Some fittings are smaller and specially made for use in plastic tubing used with ice makers, aquariums, and water filters.
These fittings are not usable with any galvanized steel pipes. Most of them are also not usable with soft or flexible copper tubing.
All types plumbing fittings have their ideal push fit fitting, including repair couplings, the hookup hoses used
