940. As shown in figure "A" and "B" of the illustration, the potable water pump is short-cycling by the action of the pressure switch as a result of an unusually high level in the potable water hydro- pneumatic header tank. What is most likely the cause

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the potable water hydro-pneumatic header tank is in need of recharging with compressed air due to absorption of air into the water over time.

940. As shown in figure «A» and «B» of the illustration, the potable water pump is short-cycling by the action of the pressure switch as a result of an unusually high level in the potable water hydro- pneumatic header tank. What is most likely the cause

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940. As shown in figure «A» and «B» of the illustration, the potable water pump is short-cycling by the action of the pressure switch as a result of an unusually high level in the potable water hydro- pneumatic header tank. What is most likely the cause

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