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Discuss Low min output / high range modulation? in the Plumbing Jobs | The Job-board area at Plumbers Forums

Knappers

Plumbers Arms member
Plumber
Gas Engineer
Messages
995
Hi, I've not been on for a while but I could do with some help if you can.
I've a combi boiler to fit in a small anex, I dont reckon it needs much more than 3-4Kw.
Would be nice to fit a boiler that is well suited and so I want a combi that will modulate down to around 3Kw (like a 10:1 modulation).
Most are 6-7Kw at best, intergas xtreme states 3.6Kw min on heating but when I called to confirm the tec fella said was over 5Kw (even when I repeatedly queried it).
So are there other options, is intergas min 3.6 or over 5Kw, if its 3.6 do I want to buy a boiler from a company who have disinterested/illiterate technical staff?
Any Thoughts?
 
Viessmann 200 will do 1-17
 

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