小毛毛猪 知名会员 VIP 注册 2008-01-07 消息 108 荣誉分数 44 声望点数 138 2011-06-02 #1 三车库，两个门， 是不是要两个opener呀？这款： http://www.sears.ca/product/craftsma...00037234-18489 :thanks: 附件 609_18489_P.jpg 40.1 KB · 查看: 273
没 没有网名 资深人士 VIP 注册 2007-03-13 消息 1,903 荣誉分数 343 声望点数 243 2011-06-02 #2 You need one opener for each door. 1/2HP is big enough for single door or non insulated double door. For insulated double door, you may want to use 3/4HP.
You need one opener for each door. 1/2HP is big enough for single door or non insulated double door. For insulated double door, you may want to use 3/4HP.
