Power Head

Replacement power head for all Taco 555, 556, 557, 560, 561, 562, 571, 572 and 573 zone valves. Easily replace the zone valve power head without the need to drain the heating system. This replacement power head is a precisely made device and must be installed with care.”,”highlights”:[“Functions in conjunction with the thermostat, room temperature”,”Requires 24-volt power input”,”Operational pressure capacity: 250 PSI”