Pressure control for water pump1.Max.Temperature: 140F2.Max.Pressure: 150PSI3.Water Tank: 120 gallons4.Model: AV-305.Coverage: Air Volume Controls are designed to insure the proper balance of air and water in a water pressure system.They prolong pump life by reducing the cycling frequency and cab be used onjet, centrifugal and rotary pumps.6.Instructions for installation.
Air Volume Controller for Water Pump (RSK-2) product, offered by
Wenling Huanli Electric Co., Ltd.