Is that only for air and water? How about steam?

Don't need to use screwdriver.

I have boxes and boxes of these brand-new for sales,cheap (20) percent of coast. email me , surplus valves

My date says 1249 the machine it is in is from the 1980s were they even making them in 1949?

This video was very helpful, thanks Ben and Gary!

Emerson sucks. They fired all of their shop employees from Florham Park so they could make more money.