GP D40003 Chemical Strainer (Gray) – w/ Check Valve | Injector Hose Strainer

Model: D40003
Category: Pressure Washer Accessories → Chemical Injection Components
Type: Chemical Hose Strainer with Integrated Check Valve

The GP D40003 Chemical Strainer (Gray) with Check Valve is a genuine OEM General Pump injector hose strainer designed to filter debris while also preventing chemical backflow in downstream injection systems. Installed at the end of your chemical suction hose inside the detergent container, this assembly helps protect injectors from contamination and maintains proper one-way flow.

Performance Overview

• Filters impurities from chemical containers

• Integrated check valve prevents backflow

• Maintains steady and reliable chemical draw

• Designed for downstream chemical injection systems

Construction & Design

• Durable gray plastic housing

• Built-in one-way check valve mechanism

• Integrated mesh strainer element

• Designed for standard chemical hose connections

Technical Specifications

Brand: General Pump (GP)
Model / SKU: D40003
Product Type: Chemical Strainer with Check Valve
Color: Gray
Check Valve: Yes (Integrated)
Application: Downstream Chemical Injection Systems
Condition: New
OEM: Genuine General Pump

Ideal Applications

• Pressure washer detergent injection systems

• Soft wash setups

• Commercial and industrial cleaning equipment

• Replacement for worn or clogged chemical strainers

Usage Recommendation

Install the GP D40003 strainer at the end of your chemical suction hose inside the detergent tank. Periodically inspect and clean the strainer screen to maintain proper chemical flow. The integrated check valve helps protect your system from reverse flow and maintains consistent dilution performance.