Fleck 7000 SXT On Demand 1-1/4" Valve offers the highest service and backwash flows available for residential and light commercial applications. Manufactured from a durable fiber reinforced polymer features a series of optional high flow accessories. Standard flow rates of 27.7 gpm with maximum backwash rate of 7.4 gpm and with a high flow piston a flow rate of 35.8 gpm maximum backwash rate of 15.8 gpm. Plumbing connections in 1" and 1-1/4" NPT PVC. Bypass sold seperately.