I have a Mark VII that works fine until you use the spot free. When the spot free is activated it fills the main tank until it overflows into the bay. I replace the control valve but that did not change anything. I seams to not build up enough pressure to block of the back flow control valve. Has anyone had this problem. Kinda dead ended?
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Mark vii spot free
- Thread starter DDWASH
- Start date
I.B. Washincars
Car Washer Emeritus
Need more info. What model machine is it? Does it have a PVC check or the Aqua-Matic??? valves?
