Recent content by Ricirv

Sounds like it is just what I might be after. Thank you for the advice

My arrangement is similar - The mains feeds the kitchen tap directly and is teed off to an inline scale inhibitor before it tees to the dishwasher and the rising cold water service to the bathroom. The latter branch is where the PRV is installed - ahead of the PRV that is part of the unvented...

I agree. I think it ought to be paid for and installed by the local water company though - in this case Anglian Water. They are the ones causing the problem

Anyone you'd recommend - other than Honeywell (as fitted presently)? Thanks for your comments

The PRV I installed (nowhere near the cylinder - I am very aware of the limits of my competence and the associated regs) works well and has been set to 3 bar. The reduction in pressure is very noticeable to the WHB, bath and shower. However, once a tap downstream of the PRV is shut off the...

I am aware of the Building Regulation G3 regarding the unvented cylinder. That is why I called out a suitably qualified and competent plumber as I made clear in my OP. He was unable to fix it despite 2 attempts - as I said in my OP. I am not aware of a specific regulation regarding fitting a...

My apologies for a long initial post... We have always had a problem with high mains pressure. A particular bugbear is an 8 bar CWS relief valve into an unvented Megaflo that lets by regularly. It happens every other day since its' replacement with an 8 bar relief valve by a G3 certified...