This means that the pressure pump fills the tank up until the pressure is 50 psi. The pump does not come on again until the pressure drops below 30 psi. The high and low points can be set differently, but if too close, the pump will come on too often. Pump is off, reservoir is full, ready to provide draw down water under pressure Pump still off. Providing draw down water through pressure range.
Pump starts and runs until cut-out pressure is reached.
Threaded nut for easy installation of pump stand. Adjustable air charge. Clean, air tight welds are achieved using the most modern welding equipment available. Two part Urethane finish over epoxy primer coat combines durability and high luster. True air flow design means fewer problems with condensation.