threads-on-top-fitting-of-1120February 24, 2020 by DonSolutions Central › Category: Questions › threads-on-top-fitting-of-1120 0 Vote Up Vote Down Don asked 5 months ago I’m using a Penray 2420 can now, and would like to use the Berryman 1120. Will the fitting for the Penray can fit the Berryman can? I have two fittings, and the finer thread fits the Penray can. What is the thread on the Berryman can? Thanks1 Answers 0 Vote Up Vote Down chemtooler Staff answered 5 months ago Berryman Through-Rail Injector Cleaner (part #1120) has a course threaded valve. It is the same as the one found on cans of R-134a refrigerant.