Also having a Greenstar 25Si/30Si, i had the same dilemma as Ron ! I had been snown how to top up the water pressure by the service engineer a few months ago, but i had forgoten how to do it! The manuel doesn't cover it at all!!! Been surfing the net for an answer for the last 30 mins; Want to thank Paul F for his advice! was spot on!
Ian B
Ian B
January 2010