The X9510-2Z – controller handles a two filter drip system were automatic backwashing and thorough filter cleaning where long term no maintenance service is desired. This controller will handle up to 4 zones. The controller is typically located near the filtration unit for operational testing of the drip system. The controller has a programmable logic controller (PLC) which has data registers that can be monitored to include pump counts zone counts and viewing of the overall status of the drip systemThe X9505 – controller is a competitive control panel that handles a single washdown filter control. This controller will handle up to 4 zones. The controller has a programmable logic controller PLC which has data registers to monitor pump and zone counts and viewing of operation status for the drip system the same as the fully automatic controller.