Rotek - Model F20 - 1" Mechnical Filter / Softener Control Valve Brochure

F20 is easy to understand and to program. the solidly built timer is made with wide plastic gears and offers a choice of 7 or 12 day clock or on-demand regeneration. the injector and its filtering screen, together with the backwash and the refill flow controllers, are easy to access for service.