10 PSI safety valve to be fitted on a 2″ flanged fitting on a still with the correct adapter. Ideally, this piece will fit on the 2″ fill port located at the top of the boiler on your 16 gallon, 26 gallon, 53 gallon or 135 gallon Mile Hi still.  If needed, please find safety valve with adapter here:

10 PSI Safety valve will have a 1/2″ NPT on one side for easy screw-in to the adapter after applying Teflon™ tape to the threads.

The valve is 3 13/16″ tall by itself.