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Large UFH with electric boiler

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Fos

Gas Engineer
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Have a large ufh job to do 250m2 with low profile boards, 12mm pipe, 150mm spacing.
Customer does not want gas in the house so wants an electric boiler. Unvented cylinder will be direct so boiler will only be running ufh.
2 manifolds to be installed
3 phase will be installed, but this means 20kw+ boiler or cascading 2 smaller ones.

Anyone have experience with this size ufh with electric boilers ?
 
Yes we have done underfloor installs with electric boilers last one was a big new build 22kw heat load on underfloor. No real problems used a flexiheat boiler think they go up to 45kw
Job was for a farmer who had his own wind turbine !
 
Two slim Jim’s depends on ufh load
 

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