Even your superior? Hitachi constant pressure pumps are described as shallow well pumps. Don't know where you got the idea that they are not.
If they don't need an initial prime why is there a priming cap?
The factory pressure switch setting for a Mitsubishi 150 W pump are on 1.4 Kg/cm and off at 1.9 kg/cm ( about 12 to 18m of head)
No one on TD is gay. If suspect, it was probably because of the way they were reared.
I apologize if any offence was caused. unless it was intended.
You people, you think I know feck nothing; I tell you: I know feck all