You simply push PEX pipes and fittings together rather than gluing (PVC and CPVC), soldering (copper) or screwing them (galvanized steel). Here are the fittings you're most likely to need when ...

Special fittings or adapters are available to connect CPVC to PEX. This approach is common when retrofitting a home or replacing specific sections of a plumbing system. However, it’s essential ...