I have 2 identical hot and cold) Mansfield 500 silcocks /vacum breaker
installed side by side. Approx 20 yrs old The cold would not shut off.
I got a repair kit and handle kit. Repairing the stem pieces easy enough
but now I can't get the stem assembly to seat properly back into the
the silcock . therefore handle won't operate the valve. I take the same assembly I just repaired and it installs fine on the hot silcock side This leads me to believe that there is something