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I didn't catch what you have at the moment, is the new system a complete new system? you have four opinions at the moment but ask for more to clear confusion when more options and opinions may or not help. I'll stick my oar in. If you have a CW storage cistern in the loft and a hot water...

What boiler? There's a list of boilers containing asbestos on the HSE website and instructions on how to safely remove and bag the asbestos then hope your local tidy tip accepts it, some don't.

With a gas appliance, say a combi boiler change; upon completion the installation is notified to Building Control as being installed to and complying with the prevailing regs by the installer who, being Gas Safe registered is deemed a competent person. Would an electric boiler require notification?

As title. I had the discussion the other day and was told a fixed electrical heating appliance such as an electric boiler does not require notification. I believe it does. Am I incorrect?

Mid terrace is good unless neighbours are a nuisance somehow. First floor in three storey buildings better still. That's not what the op wants however. Heat-Engineer and use the estimator not the in-depth survey option. Close enough or if the ceilings are not too high use L x B x 100 = watts

Just be glad it was a 40, the over gassing would have been greater if a lower output.

Get another heating engineer or do it yourself if you have time and a tenner. Use Heat-Engineer software. You'll spend a day but you'll have an accurate heat loss calculation.

Yes, there's a relay included with each system boiler that allows switching to WC flow temps when DHW stat is satisfied. I don't have the diagram here but a call to tech should be able to source one.

Vokera Vibe Max; actually any Vokera but the other models may be physically too big, the Vibe Max is a cupboard fit.

You've probably got the older metal flue but the add-ons I believe should still work. Vokera part 20142842 plume kit or 20142841 45 degree plume diverter. Tell her the flue consists of CO2 that plants convert to O2 and H2O which plants need to survive. The condensate is slightly acidic so...

I would say I have no doubt that flue is asbestos. Depending on your local authority they may accept it double-bagged and sealed at the local tidy tip, some will not and reject it out of hand. You need to wet it, remove it without breaking it or creating dust then use the correctly labelled bags...

Glad it's sorted

Personal opinion: keep cylinder existing or replaced, flush heating system, if there isn't an immersion heater in the cylinder take the opportunity to get one fitted, replace boiler, straight swap, easy. Any boiler is 20% hydrogen at the moment and hydrogen is currently being injected into the...

Parts do have a habit of changing numbers. Ring spares but I think you have the second version. The cartridge you see for the Lines One is the same across the ranges, they might give a different number but I'm sure that's the one.

Yes, there were changes in the design. You could also ring sales 01727 744000 with the serial number

Yes, I've used Nest ON/OFF and opentherm with the Vibe Max 26C

yes

I hope you'll bear with us otherwise we're swapping between threads to find older posts.

It's tricky to set up weather com because of the above and there are calculations made on the weather data gthat slow things down. I think I'll simply lock the boiler stat to 45 and restrict the flow through the boiler to raise the return temp because if the return is cold then the boiler just...

I just did a couple of videos, one with and one without WC but I can't emulate a house ticking over. Our test rigs get rid of the heat through a plate heat exchanger so it's like a range rated 8kW combi trying to heat hot water therefore the return is so low the boiler is always running at an...