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You think a lot. Seriously just get some one who knows what there doing. I got electrocuted pretty bad once due to a customers thinking they knew what they was doing. If someone is prepared to use an earth as 230v then good luck on what you may think.

Good luck your earth wire is being used as a switch live.

I would say I prefer hep, but I mainly use jg speed fit as it’s cheaper. Hep was the original acorn and seen it test the time over the years. Only thing with hep is dismantling if need be compared to speed fit. Pipe wise lay flat for speed fit , hep is pretty flexible as it is.

A power failure will never stop a prv from discharging , think of it that way. Only way you can is with a solenoid powered open as stated, seen a spec of a Galvenised tank and float switch with high temp sump pump. Should it fail A float switch will cut power to The solenoid. If power fails then...

Fitted quite a few , get what you pay for and that would be the fact you need to supply your own compression fittings, comes with the usual Caleffi group set like most will supply, Esi 2 port valve and ev. Never had any problems with them.

Disagree .. read my post and argue all you want. If you think modern day mono mixer taps etc use 15-22mm inlets then let me know. Most common fault over the years with say a 24kw combi on old 22mm to the bath was a customer complaining in winter the bath hot is crap at full rate.

Still the same old mcmoby69(y)

Silly question where was it measured. Was it near the point we’re the cold feed to the boiler is. Eg outside tap giving 18lpm. Yet pipe to cws giving 12lpm restricted. Then you fit a boiler on that pipe that gives 12lpm. It’s basic **** really. 22mm to bath was norm back in the days when on tank...

So give me a solution to hot water and heating and second zone stat that has to be rf and can all be controlled without a programmer stuck in a cupboard. that can be used if not internet ready. At a good price. Drayton got chucked out after day 2. On a multi zone install and unvented.

Then it wouldn’t turn off at the receiver

Started fitting hives these days as good price(screwfix) easy to install. And internet ready. Iv got one at mine. I got it set that, even in heating times if I leave or come home late the heating triggers on your location to a set point. Handy as by the time I have a pint after work, house is...

Problem with modern thermostats if the program off intervals are not set to the lower room temp setting eg when off someone sets it to 21c. Then the unit will just carry on. But that should be overrides on the temp settings

Press the bottom left hand button for 5 secs . Sets the thermostat to frost mode so basically off

Old thermostat these days and replaced loads. Look near the boiler and you might find a little white box (receiver ) with on and off. Try selecting the off switch and see if it shuts the boiler down. Is the heating on 24/7.

More info needed. Rf roomstat.? Ecotec have done many versions over the years. You could have hot water on say a s or y plan with immersion and cylinder on . and so your boilers not a combi. Maybe some pics might help

I just over size rads and let the rest sort it out. Eg trv. But if space and cost is a problem then work it out. Mears Gauge is still in the van. As mentioned old style was 80c flow with 11c difference , these days it’s designed with 70c flow and 20c difference,

Last time I had this it was pcb.