ScaleZERO - Scale Control System for Standard Water Heaters
Scale Control System for Standard Water Heaters; 2½' x 10' system with ¾' ports (8-10gpm). System protects the water heater and other parts against corrosion from limescale (minerals). Includes pressure gauge, bracket, hardware and housing wrench; housings UV-protected. 5-year warranty on housings; 1-year warranty on gauges.