In fairness to all, we don't discuss pricing on the Wall. Thanks for your cooperation.
White-Rogers 1311-102 zone valve stuck on
I have (6) White-Rogers 1311-102 zone valves in an apartment building. One of them seems like its stuck on and thus the apartment always has heat. I replaced the zone valve last year for the same problem and it worked. Assuming that the thermostat and wiring is fine, is it commom for these zone valves to go bad so soon?