Clack WS-1 Series Timer Control Valve SKU: CLK-V1TCBTZ (0) No Reviews yet $628.79 Quantity discounts available QuantityPrice In Stock Quantity -+ Add to Cart Product Overview Clack WS-1 Series Timer Control Valve for Filters (Backwash Only) Features: 8 hr. battery back-up Microswitches available Front ... Supporting docs Sales Brochure Owner's Manual Product OverviewSupporting docsBackClack WS-1 Series Timer Control Valve for Filters (Backwash Only)Features:8 hr. battery back-upMicroswitches availableFront panel display with totalizerDouble backwash featureSolar powered optionBackwash valve onlyCarbon / Media FiltersBackSales BrochureOwner's ManualSee MoreSee Less Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review