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Discuss HIU - how do they work? in the Plumbing Forum | Plumbing Advice area at PlumbersForums.net

ShaunCorbs

ShaunCorbs

Staff member
S. Mod
Plumber
Gas Engineer
One of my last jobs commercial projects was to upgrade a retirement complex of 21 one bedroom flats in Norwich this was supplied by 2 boiler rooms each with 2 ideal imax boilers manifolded together at 60 kw per unit connected to a large low loss headers , from there the existing flow and return pipework was connected to 65mm , with a large Grunfoss twin headed pump delivering the heating to each flat where the existing 1" flow and returns into the flats was adapted, elson hotwater tanks were removed all the rads and internal pipework stripped out and renewed 8 of us working in pairs took 6 weeks a huge undertaking each flat had its own HIU to serve each flat supplying heat and hotwater via 2 plate heat exchangers in the unit a water meter and heat meter measure their consumption for billing . Regards kop
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Anyone else having problems with attaching pictures . Danny boy you've been a bit quiet lately you been fiddling again ha ha ;) kop
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This is what's happening mate ?
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Hmmmm that didn't work either
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Maybe this need looking a chaps ????
I believe this week he’s changing a few things so if it doesn’t resolve it self by Friday shoot me a pm :)
 
king of pipes

king of pipes

Esteemed
Plumber
Gas Engineer
Let's have another try
I believe this week he’s changing a few things so if it doesn’t resolve it self by Friday shoot me a pm :)
Ok Shaun will do bud have a good week . Regards kop
 
king of pipes

king of pipes

Esteemed
Plumber
Gas Engineer
Hope your feeling better CHK more tests for me this week cant seem to get to the bottom of this sick of feeling crap . Regards Kop
 
centralheatking

centralheatking

Esteemed
Plumber
Hope your feeling better CHK more tests for me this week cant seem to get to the bottom of this sick of feeling crap . Regards Kop
Cheers KOP I have never felt so bad for so long ever but begining to improve and as you know self employed there is no back up. Chking
 

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