Maximum Heat Delivery via 22mm Backbone

ArtfulBodger · 13 Jan 2006

Hi all

Can someone educate me about the following:-

(1) What is the maximum heat that can be delivered via 22mm copper, or 22mm anything

(2) At what point would one chose to go from 22mm to 28mm for a very large property?

(3) At what point would you consider installing a second pump?

I suppose these are questions for installers used to large properties with say 20+ rads and a heat loss of approximately 45kW - yes really!

TIA

wilhelm · 13 Jan 2006

this may help.

i assume it has a roof?

no seriously i aint got a clue, there are calculators ...is that heatloss .zip one?

downloaded it, never bothered to open it.

ArtfulBodger · 13 Jan 2006

wilhelm said:
i assume it has a roof?

The property is massive, about 16M*20M detached, metal single glazed windows, <50mm roof insulation, solid walls, two stories - have a go at working it out

The last person who lived there died quite some time ago - from the cold I would imagine!

wilhelm · 13 Jan 2006

....is the correct answer

weareleeds · 13 Jan 2006

22mm pipe will carry 60,000 btu's 15 mm pipe will carry 15,000 btu's don't even consider using 2 pumps as they will cause problems if necessary use a more powerful pump

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Maximum Heat Delivery via 22mm Backbone

ArtfulBodger

wilhelm

ArtfulBodger

wilhelm

weareleeds

DIYnot Local

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