本帖最后由 爱城一粒沙子 于 2011-8-19 06:40 编辑 # }! X+ c+ F+ x8 p; A
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电工证不包括煤气,煤气证才可以碰煤气.. J& k9 j0 o {5 N9 v" F
Your work need Gas Technician ticket. ) [6 k3 v0 ?; m5 F wIf detector was installed outside the Furnance, nothing connect with it, that is OK.3 y( I, `+ a2 S; O' N% u
If at inside and you did have Safety-Tag on it, your gas valve will be shut off by Gas Tech and got fine. 9 w# S$ C5 Z- i! Z* b* ~+ f6 I7 m) O
Good Luck!