Provide labor, material and equipment for removal of existing transmitters and piping from four filters and the backwash line, and to replace the existing tubing, piping and valves to plumb in the new materials as listed below. Installation of the materials listed below, and to perform start-up, operational verification with existing filter control consoles and calibrations afterward on each filter and the backwash. - 4 Filter Loss of Head and Rate of Flor Differential Transmitters, 0-100 psi, including manifold and mounting brackets (8) - 1 Backwash Pump Differential Transmitter, 0-300 psi, including manifold and mounting brackets - Material in contact with drinking water needs to be certified to NSF61/372 compliance criteria.
