bspt

In short: Do suppliers sometimes list BSPT as BSP? I need a tee, 22mm each end with a BSPT in the middle for an expansion vessel to dangle from. Why I think its I've used calipers on the threads and counted them, and the male end sticking out of the vessel is BSPT 3/4 with 14 threads per inch...

Why is that outlets such as Screwfix and Toolstation, for example, never identify fittings as BSPP (parallel) or BSPT (tapered)? They all just get labelled as BSP and it seems there is a reliance on the purchaser to ‘know’ what they require and that the part they are purchasing is one or the...