Pro I agree we all have diff methods. I do usually rinse brush on.
Hi guys yes the small jets I use will not power up fan sprays, full stop.
But I found that you just need enough water for the job you are doing, however much that takes.
On regular cleans ott jets , Brush almost tilts upwards bristles same angle as the pole, dirty water falls off the back of the brush and the brush stays clean. Never have found the need to soak the brush, just give it a hand scrub to get the paint flakes off, no probs with spiders webs etc. . Because I originally used a backpack switching off whenever.............. saves a lot with the off switch to hand. I still do the with my trolley. You could try crimping the hose tube.
It just takes practice and thought instead of leaving the flow running,- put the water on the window, not on the floor.