| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a waste gas drain neutralizing device having a simple structure and capable of efficiently neutralizing a waste gas drain. SOLUTION: The waste gas drain is received in a drain trap 13 and introduced into a drain neutralizing pipe 14 from the drain trap 13. Because the drain neutralizing pipe 14 is made of a material capable of neutralizing the waste gas drain, the waste gas drain is neutralized at the time of passing through the drain neutralizing pipe 14. After that, the neutralized waste gas drain is discharged from a drain discharge opening out of a hot water supplier 1.</p> |
