New 555-050RP Replacement Power Head Fits 570, 571, 572 & 573 Zone Valves

For Taco Series 550 Zone Valves (555, 556, and 557). For Taco Series 570 Zone Valves (570, 571, 572, and 573). 555-050RP Zone Valve Power Head. Zone Valve Power Head. California Prop 65 WarningCalifornia Prop 65 Warning.