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- 13 Dec 2007
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I can't comment on the intergas as I have't fitted one, I'll bow to Dans superior knowlage on these boilers... But last year I did run a head to head with one of the ATAG A325ECs that I had just fitted against my own Worcester 30Si Greenstar, the flue temerature from the Worcester was 65c against 24c from the ATAG when both were at full DHW flow.... Not exactly scientific but interesting nontheless