Rated for maximum flow of 330 GPM, the Hayward 3in Multiport Valve is the perfect complement to the Hayward HCF343T and HCF363T commercial sand filters. For optimum flexibility in the commercial setting, the valve features 3in NPT ports for in-filled configuration and plumbing. The six-position valve facilitates selection of filter, backwash, waste, rinse, closed or recirculate modes at the turn of a single lever.