Piston 2900 Lower Piston NHWBP – (FL60104)

Lower Piston Assembly used on the Fleck 2900 and 2930 valves. This is the NHWBP version, DOES NOT permit Hard Water to Bypass the valve, during a regeneration cycle. This NHWBP (No Hard Water Bypass Piston), that will stop all water flow from getting past the control vavle, during the regeneration cycle. This Part can be located on page 16, of the Fleck 2900 Service Manual.