Since I don’t use it and never will, would I get more flow of I remove this injector, or is it not even worth messing with? It’s on a 4/4200 machine.
Do you use a different injector further down the line? Or are you using pressure on the siding?
Short answer, yes it will help with flow. I had a similar machine when I started and removed the internal orifice.
Neither, I use a 12v downstream system for siding and pretreating concrete. I don’t use a pressure washer at all on siding.
Was it noticeable?
Right on. I have a noticeable increase in flow when I bypass my injector, so I assume you would as well. Nothing to lose by trying
Thanks, I’ll be taking it off then.
Run a bucket test first, then do another one after it’s off. Someone will come to this forum in the future with the same question, and your results will help them
So I finally got around to pulling it off. I can’t remove it completely because it’s a special fitting on the pump end, fine threads and o-ring seal. I did remove the screw in orifice in it though. It necks down pretty small, about the same size hole as my #8 1000 psi tips. I haven’t tested it yet, but I have to imagine removing that will help get even more flow.
There is a check valve inside as well. I assume that’s only there so when it’s shut off chemicals can’t get back into your pump? I just took it out too since I won’t be using the injector. That’s fine to remove that too and just gut the whole injector right?

