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rondeau | 19:14 Sun 05th Apr 2009 | How it Works
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I have a 30-year-old gas boiler with a rating of 35,000 BTU. Can anyone tell me how that rating translates to KW? Thanks.
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Avatar Image Graham-W
Divide Btu by 3414 to give Kw.
Therefore: 35,000/3414=10.25
20:37 Sun 05th Apr 2009
Avatar Image Hymie
35,000 BTU is equivalent to 10.25kW-Hour.

You need to be aware that sometimes the ratings are for total energy in, and therefore your actual energy out, may be slightly less.
20:38 Sun 05th Apr 2009
Avatar Image buildersmate
Not slightly less on a 30 year old boiler - considerably less - probably around 70% efficient.
20:48 Sun 05th Apr 2009
Avatar Image rondeau
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Many thanks, guys, for the info - a great help. (Been on holiday or I would have thanked you sooner.)
20:28 Wed 08th Apr 2009

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