Continue shopping “Jandy DEV DEL Filter Slide Backwash Valve Piston Rebuild Kit R0442100” has been added to your cart. Product Price Quantity Total × Jandy DEV DEL Filter Slide Backwash Valve Piston Rebuild Kit R0442100 $22.87 Jandy DEV DEL Filter Slide Backwash Valve Piston Rebuild Kit R0442100 quantity $22.87 Cart totals Subtotal $22.87 Shipping Shipping costs will be calculated once you have provided your address. Total $22.87 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update