General Pump 100948 High Draw Brass Chemical Injector, 1.8 mm Orifice, 2 - 3 GPM, 4500 PSI

General Pump Fixed Chemical Injector for Vehicle Washing and Degreasing | Summary

The General Pump 100948 is a high-draw chemical injector designed for fixed injection ratios and rugged performance. With its 1.8 mm orifice, it pairs perfectly with pressure washers producing 2–3 GPM and up to 4500 PSI, delivering reliable chemical dosing for car wash, fleet washing, and degreasing applications.

Thanks to its brass construction, ceramic check ball, and Viton seals, it stands up to corrosive chemicals, acids, and elevated fluid temperatures up to 190°F. With a fixed draw design and a ¼” hose barb, it's a plug-and-play option trusted by pros.

1.8 mm Orifice Injector with Viton Seals & Ceramic Ball | Features

• Chemical-Resistant Design – Features Viton seals and a ceramic check ball for superior chemical resistance.

• Fixed Draw Rate – Injects up to 20% chemical (actual ratio varies based on system setup).

• Brass Body – Durable brass resists corrosion and maintains longevity under demanding use.

• Hot Water Compatible – Handles fluid temperatures up to 190°F, making it suitable for heated systems.

• Compact and Efficient – Minimal pressure drop with precise injection for detergents, degreasers, or acids.

• Easy Installation – 3/8” NPT-M inlet/outlet and a fixed 1/4” hose barb for chemical tubing.

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