General Pump Fixed Injector Stainless Steel 2.1mm HI-DRAW (100874)

High-Performance Downstream Injector for Precision Chemical Application

The General Pump Fixed Injector Stainless Steel 2.1mm HI-DRAW (100874) is a professional-grade downstream chemical injector designed for durability, precision, and high draw capability. Built with stainless steel components, this fixed injector is engineered to withstand corrosive detergents and cleaning solutions, while maintaining reliable performance in demanding pressure washing applications.

With a flow capacity of 3.0–5.0 GPM, a maximum pressure rating of 5,000 PSI, and a maximum operating temperature of 190 °F, the 100874 injector provides both flexibility and strength for residential, commercial, and industrial cleaning systems. Outfitted with a 3/8" MPT inlet and outlet and a 1/4" hose barb port, it integrates seamlessly into most pressure washer setups, delivering consistent detergent application when you need it.

When precision and durability are non-negotiable, the General Pump 100874 Stainless Steel HI-DRAW Injector is the professional’s choice.

Engineered for High-Draw Detergent Injection

One of the standout features of the 100874 HI-DRAW injector is its ability to draw cleaning chemicals effectively across a wide range of applications.

• 2.1mm Orifice: Optimized for detergent suction and downstream chemical injection.

• Flow Range: Handles 3.0–5.0 GPM, ideal for medium- to high-flow pressure washers.

• HI-DRAW Design: Engineered to pull in more detergent compared to standard injectors.

• Consistent Performance: Provides reliable draw rates across varying pressures and flows.

This design ensures effective detergent application whether you’re cleaning siding, washing vehicles, or tackling industrial degreasing.

Built from Stainless Steel for Maximum Durability

Unlike lower-grade brass or composite injectors, the General Pump 100874 HI-DRAW injector is built from stainless steel:

• Corrosion Resistance: Handles corrosive detergents and chemical solutions without degradation.

• Erosion Resistance: Maintains performance even under high-pressure water flow.

• Long Service Life: Provides years of reliable performance under heavy contractor use.

• Industrial Strength: Stainless steel construction is trusted in professional cleaning and industrial environments.

Durability is key when working with chemical injection, and stainless steel ensures the 100874 injector outlasts standard models.

Compact and Easy-to-Install Design

The 100874 HI-DRAW injector is designed with a 3/8" MPT inlet and outlet and a 1/4" hose barb port, making installation straightforward:

• Inlet/Outlet Connections: 3/8" MPT threads are industry standard for pressure washing equipment.

• Hose Barb Port: 1/4" size accommodates most detergent siphon hoses.

• Fixed Configuration: Simple design means no adjustments needed—consistent draw rates are built in.

• Compact Form Factor: Small enough to integrate easily into existing systems.

This user-friendly design ensures compatibility with a wide variety of pressure washer setups.

High-Pressure and High-Temperature Performance

The General Pump 100874 injector is built for demanding applications:

• Maximum Pressure: Rated up to 5,000 PSI, compatible with contractor-grade washers.

• Maximum Temperature: Handles up to 190 °F, making it suitable for hot water cleaning systems.

• Reliable at High Stress: Maintains consistent draw rates even under pressure extremes.

This injector provides the flexibility professionals need, whether working with cold-water or hot-water washers.

Specifications Summary

• Product Type: Fixed Chemical Injector

• Manufacturer (MFG): General Pump

• MFG Model No: 100874

• Orifice Size: 2.1mm HI-DRAW

• Flow Capacity (GPM): 3.0–5.0

• Inlet Connection: 3/8" MPT

• Outlet Connection: 3/8" MPT

• Hose Barb Port: 1/4"

• Maximum Pressure: 5,000 PSI

• Maximum Temperature: 190 °F

• Material: Stainless Steel

• Applications: Downstream chemical injection for pressure washing

Why Choose the General Pump 100874 HI-DRAW Injector?

This injector is specifically engineered for professionals who require precision and durability:

• Durability: Stainless steel construction resists chemicals and corrosion.

• Performance: High draw rate ensures consistent detergent application.

• Flexibility: Operates within a wide flow range of 3.0–5.0 GPM.

• Strength: Handles up to 5,000 PSI and 190 °F for hot-water or high-pressure systems.

• Trusted Brand: Built by General Pump, one of the most respected names in the industry.

For operators who rely on consistent detergent delivery, this injector is a key accessory.

Comparison to Other Injectors

Compared to standard downstream injectors, the 100874 HI-DRAW stainless steel injector offers several advantages:

• Higher Draw Capability: Designed for greater detergent suction.

• Wider Flow Range: Works with mid-range and high-flow washers (3.0–5.0 GPM).

• Higher Pressure Rating: Withstands pressures up to 5,000 PSI, where many injectors max out at 3,000–4,000 PSI.

• Stainless Steel Build: Longer life and chemical resistance compared to brass or plastic models.

This makes the 100874 one of the most reliable choices for contractors who use chemical injection daily.

Applications Across Industries

The General Pump 100874 Fixed Injector is used across a wide variety of industries:

• Residential Cleaning: Applying detergents to siding, roofs, decks, and driveways.

• Fleet Washing: Delivering soaps and degreasers for trucks, buses, and heavy vehicles.

• Commercial Cleaning: Restaurants, storefronts, and building exteriors.

• Industrial Degreasing: Applying detergents to machinery, floors, and equipment.

• Agriculture: Cleaning barns, equipment, and processing areas.

• Municipal Services: Cleaning public spaces, buildings, and infrastructure.

Its ability to handle both high pressures and chemicals makes it a versatile tool across industries.

Safety Considerations

When using a chemical injector like the 100874 HI-DRAW, safety is essential:

• Do Not Exceed Ratings: Stay within the 5,000 PSI and 190 °F limits.

• Chemical Handling: Always wear gloves and goggles when working with detergents.

• Proper Rinsing: Flush with clean water after use to extend injector life.

• Secure Hoses: Ensure hose barb and siphon tubing are tightly secured to prevent leaks.

• Check Flow Compatibility: Verify that your system operates within the injector’s 3.0–5.0 GPM flow range.

Proper handling ensures safety, extends equipment life, and maintains consistent performance.

Trusted by Professionals

The General Pump Fixed Injector Stainless Steel 2.1mm HI-DRAW (100874) is trusted worldwide by contractors, facility maintenance crews, and cleaning professionals who demand reliable, high-draw detergent application. Its stainless steel construction, high pressure and temperature ratings, and consistent 3.0–5.0 GPM flow compatibility make it one of the most dependable injectors in the industry.

Whether you’re applying detergents for residential siding, degreasers for industrial machinery, or soaps for fleet washing, the 100874 injector provides consistent, reliable performance. Backed by the reputation of General Pump, this injector is the professional’s choice for high-performance downstream injection.