PEX can’t be right linked to a water heater. Initial increase a pipe 18 in. from the water heater and connect the PEX to the pipe. They’re usually favored by homeowners and contractors for his or her reliability and resistance to substantial temperatures. Alternatively, pex is a more recent selection https://finngcytl.signalwiki.com/1284000/5_easy_facts_about_repipe_plumbers_described