| 摘要 |
This invention is a non-pressurized granular feeder operable due to a change of water levels within the chlorinator. When the filtering system of a swimming pool shuts off the suction power within the above ground piping draws water from the chlorinator back through the pressure line of the system. The pressure or incoming line is located below the suction or normal outgoing line to the chlorinator. This is the only chlorinator of this type, to my knowledge, that allows the chlorine solution to be placed back into the circulation system downstream of the pump and filter. This could be accomplished by setting the timer to go off again for a few minutes shortly after the filtering cycle has started.
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