A foot valve is a type of check valve, can be fitted at the bottom of pump suction line, inside the wet tank.
Foot valves are a cost-effective way to prime a single centrifugal pump. In wet tanks and reservoirs, foot valves are continually submerged and not easily accessible for checking, choosing the a high quality foot valve therefore is crucial for the piping system. Typical body materials include PVC, Epoxy coated DI or bronze.