Forum Discussion
Dutch_12078
Jun 13, 2017Explorer II
The water in the tank is under pressure from the compressed air in the tank's bladder. As water is drawn by the system, the water in the tank is pushed out by the pressurized bladder until the line pressure drops below the pump cut-in setting. At that point, the tank should very nearly empty of water. When draining the system for winterizing, repairs, etc, the tank will completely empty of water.
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