A. Yes, the deluxe version of the corrosion resistant check valve can be used on iron pipe sized (IPS) Sch. 40 PVC pipe or CPVC piping. However, if the check valve is used with CPVC piping then CPVC cement and primer must be used to meet the temperature requirements of the piping. If connecting to PVC piping then PVC cement and primer can be used. The manufacturer says the deluxe #0801-20H2 CPVC check valves have been used in thousands of pool and spa applications and PVC glue is being used to plumb the vast majority of them.