Taco 555-050RP zone valve, power head,

Taco 555-050RP zone valve, power head,

Taco 555-050RP Zone Valve, Power Head, NIB
Taco replacement power head for taco zone valves .Replaces power head for 546,555,556,557,570,571,572,573, zone valves
never remove power while connected to power source.If necessary to remove power head ,disconnect wire to #1 terminal ,and wait 2 minutesbefore removing power head from valve or using the manual operator lever.This power head must be attached to a valve before wiring.Do not short across terminals 1 and 2 to check for power.