How to Set a Correct Air Pressure inside Your Pressure Tank?
Every standard Aquasky PUMPLUS pressure tank has a standard setting pressure of 30 PSI / 2 Bar. The installer has to adjust the base on the system of cut-in pressure. The Air pressure inside the pressure tank has to be 5 % lower than the water pump cut-in pressure. For example, the water pump cut-in pressure is 40 PSI and the pressure tank air pressure has to increase from 30 PSI to 38 PSI.
The reason for setting the pressure tank air pressure 5% less than the cut-in pressure is to reduce the not flowing water volume inside the tank and use the tank to support the highest efficiency of the pump cycle. The water pump does not need to start unless all the water runs out.
Setting a correct air pressure for the pressure tank also increases its lifespan. Inside PUMPLUS pressure tank has a drinking water certified rubber diaphragm. If the cut-in pressure of the water pump is 60 PSI and the air pressure inside the tank is 30 PSI, the rubber diaphragm will be elongated too long and possibly damage the stress of the rubber. And most of the water inside the tank is stationary.
Setting the air pressure inside the pressure tank 5 % lower than the water pump cut-in pressure would save more electricity for the water pump and have more fresh water for usage. On the other hand, an incorrect air pressure will be invalid of the warranty of the pressure tank.
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