| 摘要 |
PROBLEM TO BE SOLVED: To provide a warm-air furnace of unvented-type combustion, which is made compact in size, and has no problem of limited installation place in its application. SOLUTION: The space in the main body 1 is halved in the front and rear direction by a partition 9. A convection fan 11, combustion equipment 6, and a combustion fan 18 are vertically placed in a front space 10A, and a cartridge tank 8 is placed in a rear space 10B. The fan 11 is constituted as Sirocco fan, an inlet 104 of the fan is directed to the rear of the main body 1.
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