DOWN STREAM CHEMICAL INJECTORS

I'M LOOKING FOR A GOOD DOWN STREAM INJECTOR FOR A 5gpm 3000psi PUMP.I WANT TO USE HOT WATER 140 to 160deg.AND BE ABLE TO HAVE MY CHEMICAL CUT 1part to 25parts AT SOAPER NOZZLE.WHATS THE BEST SETUP TO ACCOMPLISH MY GOAL????????
THANKS
BILL(CPS)

Call ********** . 1-800-346-4876. Great service and low prices. Good luck. (no I don't work for them, I'm just a satisfied customer)