SharkBite U3088FLEX18LF Flexible Water Heater Connector, 3/4-Inch x 18-Inch Length INSTALLS IN SECONDS: Water hose connectors require no special tools, no soldering, or glue. Just push to create a watertight seal COPPER, PEX, CPVC or PE-RT: SharkBite water heater plumbing fittings fit OD controlled copper, PEX, CPVC and PE-RT. Use for both hot and cold water supply lines QUALITY: Only SharkBites quality and performance is field-proven with more than 550 million connections. SharkBite is the only push-to-connect brand than can ensure a clean, leak-free connection CERTIFIED: SharkBite fittings are certified to 200 PSI and 200F and can be reused up to four times RESIDENTIAL and COMMERCIAL: SharkBite Water Heater Supply Connectors meet the same standards for commercial and residential plumbing applications. Inspector friendly for a peace of mind.