JOEJET Downstream Injector for Pressure Washer — 3/8 in Quick Connect, 10 ft Siphon Hose, 5-8 GPM, 3200 PSI

Meet the JOEJET Downstream Injector, a compact brass and stainless steel kit designed to deliver detergent safely from an external container into your pressure washer. The siphon-based design lets you switch cleaners quickly while keeping your pump protected, so you can tackle a range of cleaning tasks with confidence.

With easy installation suited for busy setups, the unit sits between the pressure washer pump and hose. It uses 3/8 inch quick connect fittings on both ends, making it simple to assemble and detach as needed. The design helps prevent backflow and preserves pump performance over time.

Important note for installation align the directional arrow with the water flow to ensure proper operation. This small step helps ensure reliable dosing during use.

Key benefits at a glance

• Efficient cleaning the siphon principle draws detergent from a separate container for flexible, targeted dosing
• Safe operation installation between pump and hose helps prevent chemical backflow and protects pump internals
• Durable construction brass and stainless steel resist chemical corrosion and stand up to demanding work
• High compatibility supports up to 3200 PSI and 5 to 8 GPM for a broad range of pressure washers
• Complete kit includes injector, two 3/8 inch adapters, 10 ft siphon hose, teflon tape, soap nozzle and a filter

What is included and how to use

• Brass soap injector for reliable dosing
• 3/8 inch quick connect plug to 3/8 inch NPT female adapter
• 3/8 inch quick connect socket to 3/8 inch NPT female adapter
• 10 ft siphon hose for flexible reach
• Two rolls of teflon tape for a snug seal
• Black soap nozzle for controlled application
• Filter to keep debris out and protect the injector

Real world tasks you might tackle include driveway and sidewalk cleaning, car and RV detailing, roof and siding maintenance, and wall scrub jobs where running detergent through the system saves time and effort.

Tips for best results include starting with clean water, priming the siphon, and choosing the right concentration of detergent for the task. This kit is designed to provide flexible, nonintrusive dosing that can adapt to different cleaning challenges.