GP 100775 Fixed Injector – 2.1mm Hi-Draw Chemical Injector

Model: 100775
Category: Pressure Washer Parts & Accessories → Chemical Injectors
Type: GP Fixed Downstream Chemical Injector – 2.1 mm Hi-Draw

The GP 100775 Fixed Chemical Injector is a genuine General Pump (GP) OEM downstream detergent injector designed to introduce cleaning chemicals into pressure washer systems efficiently and reliably. Featuring a high-draw design capable of up to 20% chemical pickup, this injector delivers strong detergent application for demanding cleaning tasks.

Key Features

• Genuine General Pump OEM chemical injector

• Up to 20% high-draw downstream chemical injection

• 2.1 mm injector orifice designed for mid-to-high flow systems

• Ideal for 3–5 GPM pressure washer systems

• 3/8" male NPT inlet and outlet connections

• 1/4" hose barb chemical pickup port

• Durable construction for professional pressure washing applications

Technical Specifications

Part Number: 100775
Brand: General Pump (GP)
Injector Type: Fixed Downstream Chemical Injector
Orifice Size: 2.1 mm
Chemical Draw Rate: Up to 20% (Hi-Draw)
Flow Range: 3 – 5 GPM
Inlet Connection: 3/8" Male NPT
Outlet Connection: 3/8" Male NPT
Chemical Port: 1/4" Hose Barb
Maximum Pressure: 4500 PSI
Maximum Temperature: 190°F
Application: Pressure washer detergent injection systems
Condition: New

Typical Applications

• Pressure washer detergent injection systems

• Commercial pressure washing equipment

• Vehicle and fleet washing

• Building and exterior cleaning

• Degreasing and sanitation cleaning tasks.