Magic Plastics’ compact Slide-Check and Ball-Check Combo Valves combine the Valve and a “Smart” Check Valve in the same unit; saving you both excess time and labor during installation. The design of the “Smart” Check Valve will eliminate water hammer noise while also providing you with the luxury of installing the valve in either orientation, horizontally or vertically. Easy connection Buttress Thread Unions allow for cleaning of both valves when necessary. Slide-Check Combo Valves come equipped with the MagicSnap External Valve Lock to prevent accidental closure. All Slide-Check and Ball-Check Combo Valves are made from PVC and meet ASTM standards. Available in 1½˝ and 2˝ Slip configurations.