maybe for the control panel

I don't know what control panel does, you can plug it in to see what's going on. 

The water softner itself actually don't need electricity. 

所有跟帖： 

• Thanks! But there’s no outlet nearby... I asked the agent, he sa -sac- ♀ (72 bytes) () 10/30/2020 postreply 12:11:02

• 装的时候为了省钱没有找电工拉线 -柠檬椰子汁- ♂ (41 bytes) () 10/30/2020 postreply 14:13:44