Cash Acme U3086FLEX24LF Water Softener Hose, Silver INSTALLS IN SECONDS: Water softener hose line connections require no special tools, no soldering, or glue. Just push to create a watertight seal. Includes integrated ball valve supply shutoff COPPER, PEX, CPVC: SharkBite water heater line plumbing fittings fit Copper, PEX, CPVC and PE-RT. Use for both hot and cold water heater 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 RESIDENTIAL and COMMERCIAL: SharkBite water heater supply line connectors meet the same standards for commercial and residential plumbing applications. Inspector friendly for a peace of mind.