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hammers4spanner

hammers4spanner

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what are these what do they do ?
saw them in plantroom today at a school doing bit of work at
 

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Picture 1 is an EOGB modulating gas burner, not sure of the boiler but it could be a Hoval and in the range of 250-300kw

[DLMURL]http://eogb.drupalgardens.com/sites/eogb.drupalgardens.com/files/TBG%2045%20PN%202%20stage%20progressive.pdf[/DLMURL]

Picture 2 is just a three port valve on a modulated circuit.
 
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14 pint beer baby, remember?

I got described in a merchants once as a "Pocket sized brick s**thouse!"
 
yeah it was a hoval think i read 500 kw on data tag ,
whats the digital readout all about on the modulating burner?
 
I was being a tad conservative given the angle! Lol

The status display tells what percentage of maximum output it's running at.
 
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