also called a rotary-type backwash valve – This valve replaces as many as six regular gate valves. Water from the pump can be diverted for various functions by merely turning the valve. The water may be sent to waste, used for backwashing, bypassing the filter for maximum circulation, normal filtration, filter to waste (rinse) or the valve may be closed to pass no water.
Also called a 6-way or 6-port valve. Water from the pump can be diverted for various functions by turning the valve handle. The water may: 1. be sent to waste, 2. be used for backwashing, 3. bypass the filter for maximum circulation, 4. filter normally, 5. be used to rinse the filter, or 6. the valve may have all its ports closed. The pump must be off before changing a valve setting.