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You should still be able to get replacement actuators locally. The number you posted doesn't correspond with any product data that I can find but that doesn't mean they aren't available
However, if you have valves that are stuck (open or closed) it may be the valve body itself that's hanging up. Up that's the case then you'll have to replace the whole valve.
I was not sure wether or not you can remove the actuator or not. I will take it apart and go to my supplier. thats alot easier than replacing the whole valve
If I have to I will Have to drain the whole system unless I can free it up if it is stuck. I think the actuator is holding it open because the spring is not allowing it to return to closed
No way to know for sure without removing the head
Thanks I will take it apart and see what the stars will bring. thanks for the help this one is a little older and i could not find any infor on the number on the cover
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