So glad to see possibly the most venerated window cleaner Wagga using a backpack sprayer on a dolly , by far the most efficient method of getting water to the glass and the lowest cost and least complicated. I have found that using the customers water spigot is over pressured and results in spotting and excess water use. Also the connection to customers hose is often a rusty problem and the hose is destructive to property and real dirty
So three cheers Wagga
. I have always used my Sureflo sprayers according to instructions. They recommend 1 min on, 1 min offf for maximum pump life . In work use I often let it run longer than that, but I do turn it off at the switch, and Ive had one pump work daily for 5 years without a repair.
My question is this. Do you think that pinching off the flow or using the Unger hose shut off will damage the pump , as the motor and pump are now pushing against resistance?
I called Sureflo tech assistance and Shawn said that it probably is bad for the motor brushes, not so much the pump. How much working life have you gotten from the pump? I imagine that your using the Gardiner window cleaners sprayer as they are easily available in the UK. I decided not to buy the Gardiner pump last year because I couldnt easily swap the battery in the field as you can with the Sureflo. I always have 2 extra batteries , the marine deep charge are the best, I get 14 hours from a charge on those.
Has blocking the water flow cost you pump life ??
Also I see the constructor brush finally has a swiveling head, I dont know how any one can work without the swivel
Also talk about pre wash Josh G
I.m so lonely, I kept the pictures that came with my wallet
There is a long technical answer that I learned from Ian who make the flow controls but I will spare you the long version. When you pinch your hose or use a shut off valve it cause the back pressure on the pump to spike the amps. The pumps we use for delivery pumps in our business are around 7-9 amps. The back pressure can cause the spike to go up to 13 amps which takes a toll on both the pump and the battery. Pumps have what is call a pressure switch which will cause the pump to turn off when the back pressure reaches a certain PSI
So what a pump control does is recognize when there is back pressure and keeps the amps from spiking thus causing you pump and battery to last longer.
https://shopwindowcleaner.com/wcr-pump-controller.html
