GP 100774 Fixed Injector – 1.8mm Hi-Draw Chemical Injector

Model: 100774
Category: Pressure Washer Parts & Accessories → Chemical Injectors
Type: GP Fixed Downstream Chemical Injector – 1.8 mm Hi-Draw

The GP 100774 Fixed Chemical Injector is a genuine General Pump (GP) OEM downstream detergent injector designed to introduce cleaning chemicals into pressure washer systems for efficient and controlled chemical application. This injector features a high-draw design capable of up to 20% chemical pickup, making it ideal for applications requiring strong detergent concentration.

Key Features

• Genuine General Pump OEM chemical injector

• Up to 20% high-draw downstream chemical injection

• 1.8 mm injector orifice designed for mid-range flow systems

• Ideal for 2–3 GPM pressure washer systems

• 3/8" male NPT inlet and outlet connections

• 1/4" hose barb chemical pickup port

• Durable design for professional cleaning applications

Technical Specifications

Part Number: 100774
Brand: General Pump (GP)
Injector Type: Fixed Downstream Chemical Injector
Orifice Size: 1.8 mm
Chemical Draw Rate: Up to 20% (Hi-Draw)
Flow Range: 2 – 3 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

• Residential and light commercial pressure washers

• Vehicle and equipment washing

• Exterior cleaning and degreasing tasks

• Cleaning systems requiring strong chemical draw performance.