| 摘要 |
A solid fuel appliance (e.g. wood or multi-fuel stove 11) has air inlets 22,23; a water jacket heat exchanger 28-33 in a closed combustion chamber 18; tubes 34 delivering air to a secondary combustion region 38 within the combustion chamber between a primary combustion region 37 and the flue outlet 27; and deflector plates 25,26 creating an extended path for combustion product gases to a passage 31 through the heat exchanger. In another embodiment heat exchanger has a C-shaped portion (39, fig 2).
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