u/PizzaEducational6055

It's actually 99.9% efficient

Tremendous work. But the boards should be staggered for strength.

You're not boiling the water. You're heating it to 50C from an incoming temp of 15C. Plus you're not heating the whole tank just the level above the heater. Plus the whole point is this isn't about effectively heating a whole tank. It's about not giving away your energy to the grid for free...

A solar diverter pulses the available solar export load measured a CT clamp to the water heater resistor. It can modulate down to circa 200W.

The point is it's energy that you're not exporting for free. Therefore energy you don't need to buy to heat the water...

Hot water diverter is the answer.

Classic piston slap

I wouldn't suggest filtering your search for only semi-detached. You might be surprised to find a detached in your price range. Which is certainly a massive bonus.

Exactly 0% SoC is actually a 'real' 15% SoC

Never use hammer for core drilling. In my experience opening out 2mm on 150mm will be no trouble by carefully rotating the drill out of axis. This will open it up to more of a conical hole due to the angle which if it's a cavity wall will make the diameter approx 160mm on the drill side.

RS Pro

Fuel oil dilution

Ask Sainsbury's if they've got any spare out back

Shit only goes downhill unfortunately

Tighten up the lock barrels on the speedfit please

Cut the bolts flush with the concrete with the metal disc

2 inches is a bit overzealous a gap is a gap. 3mm is fine.

Just get the compact laminate and don't look back. It's an incredible material.

Bin those unsafe plug covers.

What is it made from?

That's just soot buildup

What kind of heat shield? It's a concrete lintel and a clay liner.

Solvent free pink grip. Big blob every 20cm.

That wall is rough. Not ready for paint.