If my tank were not swollen and leaking at the seam i'd go in for a look
New updated tank ordered, here tomorrow so a wee job for the weekend....
don't want the pump to continue chewing air as i don't know for how long it's been like this.
Must have tightened the loose pipe when it was cold, noise is not there at cold but appears once up to temp, hence my rather early celebration, and i fell off the Ol' Johanna (piano) cracking my funny bone!!!(post #24)