Yardney's galvanized check valves are highly recommended for use on pump inlets for retaining pressure. These may be used with or without a pump suction screen, and also include a 3/4" fitting to drain the system for maintenance or winterizing.
Retains system pressure in the piping when the pump is shutdown
Allows for winterization of the system through the 3/4" NPT fitting to drain and purge all water
Galvanized steel body
Stainless springs and swing arm
3/4" NPT fitting with galvanized plug for winterization and/or draining the system during shut down
Eliminates priming of pump when pump is shut down by retaining water in intake pipe