| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a combustion appliance capable of heating a CO sensor by a combustion exhaust gas by a simple constitution, dispensing with high airtightness and additional draining processing, and keeping high assembling performance and maintenance performance. <P>SOLUTION: A bypass pathway 24 for guiding a part of the combustion exhaust gas passing through a main heat exchanger 7 to an exhaust pathway 5 while bypassing an auxiliary heat exchanger 8 is disposed between the main heat exchanger 7 and the exhaust pathway 5 in a combustion chamber 3, the CO sensor 26 is disposed in front of an outlet of the combustion exhaust gas from the bypass pathway 24 in the exhaust pathway 5, and the combustion exhaust gas passing through the bypass pathway 24 is brought into contact with the CO sensor 26. <P>COPYRIGHT: (C)2013,JPO&INPIT |
