Nickfromwales

3/4 x 15mm male "copper to iron" Link to example. Can be bent too or to 22mm

Do you mean along their length in addition to the end noggins ( dwangs ). ?

Yup, were special. . "It is, what it is"

And that's where the dream takes a nose-dive. . If you create a business plan based on 'potential' income, and no paid staff, it doesn't live too long Hence our current model, the one with 1100 + members, and growing

Or for the bathroom massive....bathroom porn.

OCD is what prevents us from being rich. Just be glad your not doing this for a living, as it's bloody hard to, trust me. I know a good few unscrupulous arseholes who are far better off than I am. Stick to your guns and take as long as you need. ?

You forgot to mention the side projects, and how much he's drunk to get this far. The guys a damn legend.

If the bits you did are right, then time well spent.

More info needed before honestly answering that

First off, I don't think you can have a HP UVC in a horizontal due to the coil type / orientation. Next, why no pv ? You'll be paying for the hot water why not make it pay for itself ? Ground mounted array if you're not allowed 'on the roof' ? FYI the Sunamp units will fit in a kitchen base unit. Silent and virtually maintenance free. Now, bathing. Are these going to be swanky ensuite double bedders? If so then you need bags of DHW in the morning and again in the evenings. Remember that max DHW flow rate is dictated by the cold mains flow and pressure, so pointless designing the dream hot water system if no water will come out of the taps

Will that be the longest or shortest ? .

That's what's stopping me. Just a few quid short of living the dream.

The knowledge you folk have 'had' to acquire is unique, as it's been hunted down in order to protect your interests, and to minimise costs ( aka maximise "profit" ) so ultimately, after completing a full build, you'd be formidable opponents of even the most seasoned of 'builders'. A builder friend of mine who's recently happened upon a 'few quid' has told me he'd rather now buy finished buy-to-lets and take the 7% or so return ( after unknowns ) than build houses to sell. Barking mad imo.

Try RS or CPC. Needs a bit of digging.

The most common cause of that over pressurisation is when the filling loop has not been 100% fully shut and the system pressure creeps up and starts letting water out of the PRV. The only reason water will continuously discharge is if it's continuously being fed into the heating loop, other than that the water will come out a bit, then the boiler will shut off. If the expansion vessel had lost its back pressure ( pre-charge ) it can be topped up with a common bike pump. The PRV is probably now knackered so I'd change that first and check the pre-charge at the same time.

4.

Very neat solution. I thought they'd be less inconspicuous TBH. I prefer that to terminals in a gable. I assume inline filters? Eg no need to get on the roof ever?

One for @AndyT .

Do you have a pic by any chance? Did you use vertical or horizontal terminals?

Ardex is rapid cure, ceramic tiles in 4 hours from mixing and laying. Non porous coverings in around 2-4 days if your pushing your luck, but 7 days no probs. Expensive but crazy good. For you I'd say ordinary Portland and just wait it out. 2mm a day will be ample if you move the air about with a small desk fan.

I agree. I think the ASHP manufacturers just specified them because it's a quick fix for hydraulically separating two pumped circuits, where each running at different potentials. None of the bypass adjustment / commissioning that you mention then so it's a 'guaranteed simple fix' from a manufacturers POV, regardless of its cost and inefficiency considerations.

Why would you want mesh over the mesh?

Last customer went for white and it looked better than chrome ever would. Different strokes for different folks.

✌️