水を抜く為の栓です。＜対応型番一覧＞【RUFH-EM2402AFF2-1A】【RUFH-EM2402SAFF2-1A】【RUFH-EM2402AFF2-1AKT】【RTU-C301】【RHBH-CEM242AFF2-1】【RHBH-CM242AFF2-1】【RTU-C300】【RH-KM200W2-1】【RH-KM200FF2-1】【RUFH-EM2402AFF2-1KT】【RUFH-EM2402AFF2-1】【RUFH-EM2402SAFF2-1】【RUFH-KM2402AFF2-1KT】【RUFH-EM2402AH2-1KT】【RUFH-KM2402AFF2-1A】【RH-KM150FF2-1KT】【RTU-C500(A)】【RUFH-KM2402AFF2-1CHB】【RUFH-KM2402SAFF2-1A】【RHBH-CM242AW2-1】【RUFH-EM2402AT2-1KT】【RNKU-2314】【RUFH-KM2402SAFF2-1】【HT4208AFSAWCH】【RUFH-KM2402AFF2-1】※交換部品は必ず商品検索で製品本体型番をご確認の上ご購入ください。