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Joined: Jan 20, 2022
Last seen: Nov 9, 2025
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Topics: 16 / Replies: 2680
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RE: Heat loss calculators and spread sheets

@sicky -- please don't be daunted by any of the above.There are a number of options to resolve the issues of foul-water drains, depending on what you ...

10 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Heat loss calculators and spread sheets

Two points before we go further... 1. A house which doesn't have an operational foul water system is uninhabitable, can't be sold on the open market...

10 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Heat loss calculators and spread sheets

@sicky may I ask about the foul water drainage shown on the plan? What happened to the rectangular access cover when the conservatory was built? ...

10 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Heat loss calculators and spread sheets

That's good. I was about to ask how you intended adding UFH pipes to an existing (100mm) concrete pad. You need to be asking them about the grout/...

11 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Heat loss calculators and spread sheets

If you want more insulation in the 'garage' roof, consider putting a complete layer on top of what's already there. It shouldn't add much weight bec...

11 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Heat loss calculators and spread sheets

Yes they probably are! As this was originally built as a garage, it's possible that they are 'standard' steel roof trusses. Alternatively, they co...

11 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Heat loss calculators and spread sheets

Well I'm a self-builder and understand plans, so let's give this a go! The big clue is the date of the Drawing at bottom right.It's Nov 2005. So t...

11 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Hot water tank losing temperature quickly: Daikin Altherma 4kW

Great! Keep checking the pressure. If it increases when the system is warm, and reduces when colder, then you have air in the system. If it slowly...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Hot water tank losing temperature quickly: Daikin Altherma 4kW

Ah... I didn't get the sense of proportion from the photo! Rough rule of thumb for mass of tank is 1Kg per litre of water...... but that stated capa...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: GivEnergy 2025 forthcoming batteries and inverters

Highlights which might be significant here are: There is to be a new All-in-One inverter/battery combo, which is yet un-named.The battery capacity i...

11 months ago
Forum
Energy Storage
Reply
RE: Hot water tank losing temperature quickly: Daikin Altherma 4kW

This is what I can see in the attic: All of these brass fittings need insulation. Even for a tank within the thermal envelope of the house, you ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Placing objects next to an outdoor air source heat pump unit – what are the rules?

There are no 'regulations' as such @sandy ... expect the rules of physics, which basically come down to common sense. Personally I wouldn't be happ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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