WATER PARK OVERFLOW RETURN LINE SWITCHA local dedicate manual switch or remote switch from ECR (optional) to divert water from water park to drain during deck surface cleaning, in order to avoid detergents or other cleaning chemical products to enter compensation tank or to divert water from water park to drain in case of rain. During this condition, filtration system will continue to operate keeping water in compensation tank ready to be used. Lifting systems are off during this operation.A set of automatic electric actuated valves diverts water park return water from compensation tank directly to the drain.