本帖最后由 爱城一粒沙子 于 2011-8-19 06:40 编辑 $ [& g2 s3 V: N+ U3 z) N. M
: Y9 z* f$ w( K6 y( T3 D- n4 I电工证不包括煤气,煤气证才可以碰煤气. 2 Y* j. i* x% fYour work need Gas Technician ticket.5 I+ B* Q& L% G3 @% w) M
If detector was installed outside the Furnance, nothing connect with it, that is OK. / }/ ~" T2 V; b0 b5 JIf at inside and you did have Safety-Tag on it, your gas valve will be shut off by Gas Tech and got fine. 2 S: I$ u, e& q3 F. N" d. j7 Y/ a7 x* C
Good Luck!