2 / 4-8 Station F-Series Filter Backflush Controller Product Overview and Features Standard features include a pressure differential switch, flush time setting and dwell time setting. Quick and easy programming. Some controllers have counters and alarm settings. Two Year Warranty Resetable backwash count Periodic, manual, or pressure differential actuated Accurate timing Output selectable to operate 24 VAC, 12 VDC, or 12 VDC latching solenoids Pressure differential (PDMU) gauge included 115 VAC Input (230 VAC option for 4-8 Station only), 50/60 Hz input available 2 Station Controller Features 2 stations plus master valve 230 VAC (optional) Fixed PD delay Resettable alarm Plastic outdoor box 2 Station Controller Electrical Specs 115-230 VAC 12-15 VDC Output: 24 VAC or 12VDC 4 - 8 Station Controller Features 4 or 8 stations plus master valve Adjustable PD delay Fixed alarm Powder coated locking outdoor steel box Swing out, plug in front panel Adjustable pre-dwell 4 - 8 Station Controller Options Solar Panel, bracket, or battery for DCL models 4 - 8 Station Controller Electrical Specs 115-130 VAC 12-15 VDC 220-250 VAC (optional) Output: 24 VAC or 12 VDC (with VDC latching) 2 Station Dimensions: 9.5 X 7.8 X 4.0 in 4-8 Station Dimensions: 8.0 X 7.5 X 5.0 in w/o PD