本帖最后由 爱城一粒沙子 于 2011-8-19 06:40 编辑 1 u( H4 e2 B6 @# k' Z( K- Y- w" r: O# v j
电工证不包括煤气,煤气证才可以碰煤气. + _& z1 t/ p% y- L( n2 NYour work need Gas Technician ticket. 7 F* y( \, [) I9 n2 ~' {' \; aIf detector was installed outside the Furnance, nothing connect with it, that is OK. / T+ q# T5 z2 ]4 @9 V2 KIf at inside and you did have Safety-Tag on it, your gas valve will be shut off by Gas Tech and got fine. 1 z. a( c4 }& D1 l2 S) T * Q' ?2 Y8 k- A2 {7 E- C0 V) N2 {Good Luck!