there can't be any air goi ng into that or it will reduce the vaccume which is required to hole the water colume up in the tank. Personaly I think it is done with Mirors other wise he would need to plumb a vaccume pump into the top of the tall tank to remove air and maintain the vaccume.
Steve
Has to be this.
And too risky for me. A pump/power/check valve failure means a lot of mopping...
12-01-2008, 05:20 PM
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