y-plan

Hi, some years ago I had wet UFH installed in my conservatory. It was just chopped into the existing Y plan wiring and plumbing. The problem being that when UFH demands the CH/HW runs and vice versa. We have put up with it but now as we are spending more time at home it needs fixing. The best...

Hi everyone, long time reader, first time poster. Need some advice please. We have an old heating system - Baxi bermuda back boiler (serviced every year and running fine), hot water tank, pump and 3 port-valve in the airing cupboard. I believe it's a Y-Plan set up. Couple years ago, upgraded...

Hi all, I'm looking for some help as I've exhausted all my resources and knowledge. Let me describe the current system... Boiler: Potterton Suprima 30 Timer: Center EHE0200160 Frost-Stat: Potterton PRT-100 Room-Stat: Potterton PR-100 Hot Water Cylinder: Joule Cyclone Indirect/Un-vented...

Hi all, I just bought a house and noticed the central heating wiring was a bit of a mess. I bought a Nest 3rd gen and thought it would be worth trying to sort it whilst fitting it into my new house - everything was wired straight into the old Honeywell ST7100 without any sort of junction box...

So there I was I planned everything in advanced for my father's home. He sent me all the details of our current boiler and heating system and I was convinced that it was a y plan system because i have a 3 port valve that says "y plan". I arrive to do the job and I see this silly wire set up. Why...

Hey guys, My wife and I have recently moved into a new house this month, and in doing so had the whole house rewired. The electrician came and removed pre-1977 Steel cable from the home and replaced the whole mains. In doing so he has removed all of the bottom side of my Honeywell 10 way...

Is it normal for the orange wire of the mid position valve to temporarily cease being live when the valve is switching from the mid-position (heating + h/w) to the heating only position? This causes the boiler to momentarily turn off.