Quote Originally Posted by Acuario View Post
Des, the guage reading on the LP side is irrelevant as the guage is not connected to anything as I have no valve to connect it to to take a reading - I plan to put one in but haven't yet. Only valid pressure reading is the HP one at 22 bar.
LOL - may want to re-calibrate your gauge, mind.

Then, with all due respect, we are unable to assist further, until you collect the data listed by Gary above.