| 摘要 |
PROBLEM TO BE SOLVED: To provide a combustion apparatus which is easily assembled and obtains sufficient silence effect. ! SOLUTION: A combustion apparatus is able to exhaust a combustion gas and includes: a housing; a burner; and a collection cylinder. The collection cylinder includes: first and second sound absorption materials 12, 14; and a sound absorption material positioning member 13. The first sound absorption material 12 is disposed in an internal space and has a first recessed part 12b. The second sound absorption material 14 is disposed in the internal space and has a second recessed part 14b. The sound absorption material positioning member 13 is disposed in the internal space and includes a first protruding part 13b and a second protruding part 13a which respectively engage with the first recessed part 12b and the second recessed part 14a in a state where the sound absorption material positioning member 13 is sandwiched by the first sound absorption material 12 and the second sound absorptio |
