本帖最后由 爱城一粒沙子 于 2011-8-19 06:40 编辑 1 h0 ^$ Z+ d/ i a4 M: c$ h2 Z7 n
电工证不包括煤气,煤气证才可以碰煤气. ) ~) ?$ T1 }( ]+ f4 _Your work need Gas Technician ticket.* g6 M a" R8 j+ e) s1 T& h
If detector was installed outside the Furnance, nothing connect with it, that is OK., ?6 ]& b* z2 v1 ?. U% w9 ?
If at inside and you did have Safety-Tag on it, your gas valve will be shut off by Gas Tech and got fine. 1 T: E8 L% G* ]* j: t- r7 `2 F S$ K5 B
Good Luck!