3/4" High Pressure Chemical Injector

Unlock Stronger Cleaning Power

The WJ85.400.003RP High-Pressure Chemical Injector is engineered for efficient downstream chemical application in demanding cleaning environments. Designed for pressure washers running between 3.0 and 8.0 GPM, this injector introduces detergents into the water stream at safe, regulated pressure—protecting pumps while delivering consistent chemical flow. Ideal for large cleaning jobs, commercial equipment washing, and applications requiring heavy-duty detergent use, it ensures smooth operation and dependable dosing every time.

Built for high performance, this injector features a 3/4″ FGHT inlet and 3/4″ MGHT outlet for quick installation into standard garden-hose-style connections. Rated for temperatures up to 82 °C (180 °F), it handles hot-water systems with ease. Durable, reliable, and simple to install, the WJ85.400.003RP is an essential upgrade for any WetJet pressure washer setup needing high-flow chemical injection.