本帖最后由 爱城一粒沙子 于 2011-8-19 06:40 编辑 ! s# u& v% E6 p) b" ? ) U6 @6 r1 Z$ P' ]' m# B8 v电工证不包括煤气,煤气证才可以碰煤气.3 q8 R( h2 \: ^. b
Your work need Gas Technician ticket., A4 e" h9 P8 X$ O
If detector was installed outside the Furnance, nothing connect with it, that is OK. ! x3 _7 R) q! [( @7 m' NIf at inside and you did have Safety-Tag on it, your gas valve will be shut off by Gas Tech and got fine. 5 `& w9 y& P9 e& r" C$ I" V! B1 l) ]
Good Luck!