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Pros and cons to everything. Cons - Its alot more abusive environment on the solenoid and its alot more difficult to get to the solenoids in the bay, pros are when a customer turns on that fluid it gets on their car quicker. It has to be a solenoid issue. The thing with it being high in the...

Yes there is a check valve right after the solenoid but before the boom.

The solenoids are in the bays above the booms. The only way the wands could be leaking is if the solenoids are open slightly probably from age. Wierd multiple solenoids failed at roughly the same time. Only other option is low voltage out to the solenoids opening them slightly. Not likely...

Very low flow leak 24/7 with the pump off. Started a few weeks ago. Just noticed it today that it is slowly leaking. Noticed over the last few weeks when I wash a bay down on rinse the first second or two that comes out is presoak. Then today it dawned on me why.

It does not have a bladder tank. Just cycles on and off when a bay calls for it.

Thank you for replying. The pump only turns on when a bay calls for it to come on. Then all 4 bays are pressurized, but only the bay that calls for it opens the solenoid in that bay. It is leaking without the pump being on. I don't understand how the presoak can flow by the solenoids with no...

I noticed all of my self serve bays when off are bleeding out my presoak slowly. This presoak uses a well pump to pump the presoak from the reservoir out to the bays. Each bay has a solenoid in it before the boom to control the flow of presoak through the wand to each bay. Its difficult to...