Fleck 3200 12 - Day Timer Powerhead for Water Softeners, Manganese Greensand filters, & Backwashing Filters, using the Fleck 1500, 2500, 2510 and 2750 Valves. **Does not include Valve Body or the Brine Piston Assembly. NOTE: If you need a cover: This power head only uses the Environmental Cover with Hinge Pin, # FL60219-02 Older Style covers that use two screws, will not work with this power head.