General Pump Hi-Draw Adjustable Acid Injector 2.3mm 5–8 GPM – OEM Replacement Part

Part Number: 5730
Category: Pressure Washer Components → Chemical Injectors → Adjustable Chemical Injectors
Type: Hi-Draw Adjustable Downstream Acid Injector

The General Pump Hi-Draw Adjustable Acid Injector 2.3mm 5–8 GPM (Part #5730) is a heavy-duty OEM replacement downstream chemical injector designed for high-flow pressure washer systems requiring adjustable detergent, soap, degreaser, and acid application. Manufactured by General Pump, this injector features a Hi-Draw design that delivers enhanced chemical pickup performance while allowing operators to fine-tune chemical draw rates for maximum cleaning effectiveness.

Key Features & Benefits

• Genuine General Pump OEM replacement part
• Adjustable downstream chemical injector
• Hi-Draw design for increased chemical pickup
• 2.3mm injector orifice
• Optimized for 5.0–8.0 GPM systems
• 3/8" MPT inlet and outlet connections
• 1/4" hose barb chemical pickup port
• Adjustable chemical draw control
• Suitable for detergents, soaps, degreasers, and acids
• Ideal for commercial and industrial cleaning applications

Technical Specifications

Part Number: 5730

Manufacturer: General Pump

Product Type: Adjustable Chemical Injector

Injector Size: 2.3mm

Flow Range: 5.0 – 8.0 GPM

Inlet Connection: 3/8" MPT

Outlet Connection: 3/8" MPT

Chemical Pickup Port: 1/4" Hose Barb

Adjustable: Yes

Maximum Pressure: 4500 PSI

Maximum Temperature: 190°F

Chemical Injection Style: Downstream

Application: Detergent, Soap, Degreaser & Acid Injection

OEM Replacement: Yes

Typical Applications

• Commercial pressure washing
• Industrial cleaning systems
• Fleet washing operations
• Building exterior cleaning
• Equipment restoration projects
• Concrete and surface cleaning
• Degreasing applications
• Soft wash support systems
• Agricultural equipment cleaning
• Downstream chemical injection systems

Performance Advantages

• Adjustable design allows precise chemical draw control
• Hi-Draw technology increases chemical pickup capability
• Optimized for high-flow pressure washer systems
• Helps improve cleaning speed and efficiency
• Supports consistent detergent and acid application
• Keeps chemicals downstream of the pump to help reduce pump wear
• Suitable for demanding commercial and industrial environments
• Enhances versatility across multiple cleaning applications
• General Pump construction provides dependable long-term reliability

Maintenance Recommendations

• Flush the injector thoroughly with clean water after each chemical application.
• Inspect the chemical pickup tubing regularly for wear, cracks, or blockages.
• Check the injector orifice for buildup or debris during routine maintenance.
• Verify adjustment controls operate smoothly and correctly.
• Replace worn O-rings, springs, or internal components as needed.
• Use only compatible pressure washer chemicals and acids according to equipment specifications.