Sorry, I know I saw a source for MAC air valves in a thread, but can not find it again. Any sources would be greatly appreciated.
i have bought them from a local supplier for a few gurus in the past. i will look up the place and post it
tom
I went through the MAC website to find a distributor. I was hoping to rebuild mine but they are special modification that cannot be rebuilt. $41.95 a piece for new ones.