GP 100949 Fixed Acid Injector – 2.1mm Hi-Draw Chemical Injector

Model: 100949
Category: Pressure Washer Parts & Accessories → Chemical Injectors
Type: GP Fixed Acid Chemical Injector – 2.1 mm Hi-Draw

The GP 100949 Fixed Acid Injector is a genuine General Pump (GP) OEM downstream chemical injector designed specifically for acid-based cleaning solutions used in pressure washer systems. By introducing chemicals downstream of the pump, this injector helps protect pump components from exposure to corrosive acid detergents.

Key Features

• Genuine General Pump OEM acid chemical injector

• Designed for acid-based cleaning solutions

• Up to 20% high-draw downstream chemical injection

• 2.1 mm injector orifice designed for mid-range 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

Technical Specifications

Part Number: 100949
Brand: General Pump (GP)
Injector Type: Fixed Acid 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: Acid detergent injection for pressure washer systems
Condition: New

Typical Applications

• Pressure washer acid injection systems

• Brick and masonry cleaning

• Concrete restoration and stain removal

• Mineral and rust stain removal

• Commercial and industrial pressure washing applications.