Hi.

I'm looking at ordering a new combi on monday, but the maker offers
two flue pack options, a four inch and a five inch. Can anyone tell
me why there is a difference and which would be the better option to
choose? And maybe why?

The boiler is a Worcter Bosch Greenstar, combi condensing...

URL:http://www.worcester-bosch.co.uk/Ran...?ProductType=5

.... and I'm thinking of going for the 35 model for the 14l/min DHW
flow. (Don't need a big boiler for the heating, just DHW.)

Thanks.

--
Regards from Mike Barnard
South Coast, UK.

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