The SharkBite stainless steel and brass Water Softener Connector can be used for connection of new water softeners or replacement of existing connectors on your hot water heater. The 3/4 in. SharkBite x 1 in. FIP swivel nut connectors makes for quick and easy installation. The SharkBite Water Softener Connector is rated for 200 PSI and 200 degree F.