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Restore your pressure washer's soap-drawing capabilities with the genuine DeVilbiss V004 Chemical Injector Adapter. Engineered to exacting OEM specifications, this heavy-duty injector introduces cleaning detergents directly into your water stream using a reliable venturi vacuum system. Over time, internal injector springs and check balls can corrode or become seized by dried chemical residue, resulting in a complete loss of chemical draw. Replacing a fouled adapter with this premium solid brass unit ensures your power washer pulls soap consistently and efficiently, maximizing your cleaning power on tough driveways, siding, and equipment.

Manufactured in Italy, this V004 injector features a 2.1mm internal orifice and an adjustable, knurled metering knob so you can fine-tune your chemical dilution ratios on the fly. It features an 11/16-inch inlet and a 5/8-inch outlet, complete with a factory-installed O-ring for a leak-free seal. The prominent directional arrow on the silver decal ensures proper inline installation, while the top-mounted ribbed hose barb provides a secure friction fit for your detergent pickup tube.

Key Features:

• Genuine OEM DeVilbiss replacement chemical injector adapter (Part No. V004)

• Solid brass construction resists internal corrosion from harsh washing chemicals

• Features an adjustable knurled metering valve to easily control soap dilution ratios

• Precision 2.1mm internal orifice (marked "Ø 2,1") for optimal venturi vacuum generation

• Designed with an 11/16 in. threaded inlet and a 5/8 in. threaded outlet for seamless integration

• Factory-applied flow direction decal and included O-ring for fast, error-free installation