FENMAL火灾探头FENMAL过热开关FENMAL开关FENWAL27121棒状管状感温探测器Fenwal温度开关01-018023-319供应`FENWAL`FENMAL`过热保护开关B-2D-VAK-2OC02000401-017000-000U.S.2257990&2698367942417202-001-018002-02101-018052-305温控器AR42AR44AR24AR33AG42AG44AG24AG33AR24L-04-RAK-NNAG24LAS22L-TRZC-NWAM22L-TRZC-NWAS22L-TRZ-NNAS2L-CRZ-NN感温探测器12-F27121-000-275F12-X27121-000-190F28021-00528020-00327121-012-E27121-00003.6CATNO.17102-001-17102-000点火控制器35-705601-001)