This detergent suction kit, also known as a soap or chemical injection kit, is designed for use with a pressure washer. This is a genuine OEM part designed to inject soap into the water stream of your pressure washer, and includes the main injector valve, two differently sized O-rings, a spring, and a ball bearing. One end of this kit wil
...Read morel be threaded into the washer, and the other will lead to your cleaner with a siphon, which is sold separately. This injection kit would need to be replaced if the nozzle is leaking, the injector fails to work properly, or water is getting into the soap dispenser. To replace, simply unscrew the previous injector and remove it, then fit the small O-ring inside the threaded end of the new injector, along with the ball bearing and then spring. Wrap the larger O-ring around the base of the threaded end, and apply a layer of lubricant, before installing the new injector and securing it.
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