PEX can’t be straight linked to a water heater. Initially prolong a pipe 18 in. from a water heater and connect the PEX into the pipe. CHARLIE: Back up a 2nd right here, this means you’re declaring that some installers will put the PEX in and just depart the plastic https://replumb-house91111.wikinstructions.com/1286727/5_easy_facts_about_repipe_plumbers_described