No. PR-200G Pressure Regulator. Can be used with any type automatic waterer listed in this catalog where a problem is encountered with either high or low water pressure. This unit equalizes the water pressure lines and it helps the automatic waterer work much better. There are many instances, especially in large installations, where a pressure regulator should be used where the water pressure may be extremely high. In this instance, we would definitely suggest our No. PR-200G Pressure Regulator.