Great Compatibility – Perfectly Fits for Quad pool and spa D. Filter models QUAD60, QUAD80, QUAD100. Also fits for Triton C, Triton II and Triton HD side mount pool and spa Sand filters. Available in 2 inch threaded or slip models. Premium grade CNC machined solid, injection molded PVC which permits leak-free solvent welds to PVC piping, with heavy-duty ABS plastic handles, strength and durability, anti-impact and anti-deformation, anti-corrosion and aging resistance, never peel, fade or leak for all-weather performance and long-lasting reliability. This high flow and multiport valves are designed for maximum performance and working pressures. Ergonomic easy-to-use lever-action handle for simple dialing of 6 positions that Filter, Backwash, Rinse, Waste, Closed, and Recirculate. Also includes a special winterizing position provides access to a full range of filtration system capabilities. 7.5 Inch Centerline. Built-in sight glass for convenient backwash viewing to ensure the backwash is done. Each part is manufactured to OEM specifications and testing. Direct replacement for Pentair OEM Part #261055. Premium grade CNC machined solid, injection molded PVC. Allows leak-free solvent welds to PVC piping. Strength and durability, anti-impact and anti-deformation. Anti-corrosion and aging resistance for long-lasting reliability. Heavy-duty ABS Plastic Handle. 6 position, positive lock operation. Right valve for easy operation. Special winterizing position provides access to a full range of filtration system capabilities. Allows you to backwash, rinse, close, re-circulate, and drain your system. Confirm correct valve is being used for your filter type and model. To install valve to filter, secure bulkhead nuts on valve to fittings on filter. TIGHTEN THE NUTS BY HAND ONLY. Connect pump, return, and waste lines by following the markings of the ports. VALVE TOP IS UNDER SPRING LOAD. To open top half and service valve, evenly and alternately loosen cover screws. To re-assemble the top half, place diverter on a smooth and firm surface. Make sure the pointer on handle and the arrow on diverter point to same direction. Press down the cover by depressing heavy-duty spring and secure handle with dowel pin. To re-assemble the top half to valve bottom, ensure bottom gasket and diverter sealing surface are clean and free from nicks to insure positive sealing. Tighten cover screws evenly and alternately. DO NOT OVERTIGHTEN THE SCREWS. Press and turn valve handle to a position that is between any two settings. Absolutely Fast and Safe! The United States package usually takes about 2-4 days to reach you. The actual time depends on the distance between the destination and the warehouse and the schedule of the post office. International package usually takes about 7-20 days to reach you. We try our best to reply to your emails as soon as possible, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 24 hours for us to response. Your understanding will be highly appreciated!