- Posts 1
Last Activity:01-07-2013 1:00 PM
Posted in thread: An Old Taco Zone Valve on 01-07-2013 at 12:00 PM
I have a Taco 571 zone valve that is not opening on heat calls, voltage is present on valve
control also have already put control head for another Taco 571 but valve will not open even
with change of ...