Downstream Injector – Chemical Injector for Pressure Washers

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The Downstream Injector is a durable, high-performance accessory designed for pressure washers, allowing operators to draw and apply cleaning chemicals after the pump. By introduci ng chemicals downstream, it protects the pump and internal components from corrosive solutions while delivering efficient cleaning power. Built with chemical-resistant materials, this injector ensures long service life and reliable performance in residential, commercial, and industrial cleaning applications. It’s ideal for applying detergents, degreasers, or sodium hypochlorite (SH) during softwashing and pressure washing jobs. Specifications & Features: Part Type: Downstream Chemical Injector Function: Applies chemicals downstream of the pump to protect equipment Material: Chemical-resistant construction for SH and detergents Compatibility: Fits most professional-grade pressure washers Benefits: Protects pump and seals from harsh chemicals Easy to install and operate Adjustable or fixed flow rate options (depending on model) Perfect for softwash pre-treatment and post-treatment applications Applications: Pressure washing driveways, sidewalks, and decks House washing and roof cleaning Commercial exterior cleaning Agricultural and industrial cleaning applications Show more