I'll see if I can find any but yes that's pretty much where I am. I may run a narrow strip of leadax down the edge of the renderboard before the render goes on tho.
there's generally drawings supplied to confirm placement and orientation of panels, exact base measurements etc. They'd need to be done as part of the structural design surely?
but if the expansion vessel has failed, system pressure will alter radically with temperature. Well worth checking the air pressure in the bladder. /that's the tyre valve at the end of the tank.
agree with Nick. I've seen autoclaves discharging steam from 121+ degrees into bog-standard waste pipe. A couple of minutes is fine, but then energy of a continued discharge is very different to a small volume for a short time.