Features Simple mechanical design is easy to understand Two valve body designs: one for down flow regeneration and one for up flow (covers every valve in the 5600 family - quick access to all internal components) Injector/drain modules containing the brine valve, flow controls and injector are removable from the valve's exterior Ruggedly built timer is designed with heavy-duty 3/8" wide plastic gears 5600 controls are user friendly and easy to program Non-corrosive, UV-resistant fiber-reinforced polymer valve body Choice of 7 or 12 day clock or demand regeneration with either mechanical or electronic meter Economical - small annual power consumption; keeps the time and activates the piston/valve mechanics with a single motor Designed with double backwash Additional Details ------------------------------ Bullet point: Two valve body designs: one for down flow regeneration and one for up flow (covers every valve in the 5600 family - quick access to all internal components) Injector/drain modules containing the brine valve, flow controls and injector are removable from the valve's exterior Product description: Features Simple mechanical design is easy to understand Two valve body designs: one for down flow regeneration and one for up flow (covers every valve in the 5600 family - quick access to all internal components) Injector/drain modules containing the brine valve, flow controls and injector are removable from the valve's exterior Ruggedly built timer is designed with heavy-duty 3/8" wide plastic gears 5600 controls are user friendly and easy to program Non-corrosive, UV-resistant fiber-reinforced polymer valve body Choice of 7 or 12 day clock or demand regeneration with either mechanical or electronic meter Economical - small annual power consumption; keeps the time and activates the piston/valve mechanics with a single motor Designed with double backwash