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Hello there. I was wondering if there is an easier method of replacing a PRV on a Greenstar 30Si rather than the M.I. method of removing half the gubbins? I had figured that possibly removing the flow pipe and blow-off pipe might give me access from the rear, and be a lot quicker than removing...

Hello there. Wondering if any of you experienced heating engineers can help me out. I have a client who last year had her water valve replaced on her MkI 28Si. The thing is that he left a rubber hose on the nipple (to the left of the flow rate adjuster on the valve) to drain off water that...