I purchased a water gauge for my loco boiler as I've got to the stage of working out which steam fittings I'll need and how I'm going to route the pipework etc in the cab.
On my Boiler water level glass, the glass tube extends into the fitting each end and a short length of silicone tube slips over each end, the nut threads down and compresses the tube to make it steamtight.
3/8"x32 Water Gauge including 6mm Glass (1/8" Pipe Outlet)
Obviously I can't just thread the fittings into a threaded insert in the boiler as the end wont be able to turn the fitting to thread it on when the glass tube is fitted, I'd need a an compression joint or something. On your steam plant on the Ben Ain, how is the water gauge fitted?
