Proportioners & Replacement Parts

Proportioners & Replacement Parts

Precision Blending. Built to Perform.

Say goodbye to batch mixing and inconsistent results. With our professional-grade Hydro-Mixer Proportioning Systems and durable replacement parts, you can now dial in your soft wash solutions with unmatched precision. Whether you’re operating a dual 12V setup or pushing high GPM through a gas-powered pump, our systems consistently deliver accuracy, reliability, and ease of use—every single time.

Replacement Parts & Accessories – Maintain Peak Performance

To keep your system running strong, we stock a full line of replacement parts, including:

• Standard and high-flow metering valves

• Precision needle valves for soap and surfactant

• Polypropylene manifolds

• Check valves, hose barbs, and mounting hardware

• Decals and flush valve kits

Each part is carefully chosen for chemical resistance, long service life, and easy integration—so you can get back to work faster.

Built to Order. Backed by Service.

Every Hydro-Mixer ships fully assembled and tested—not just boxed parts. We build each unit by hand and ship via UPS Ground, with tracking provided by email. As a reminder, please check your spam or junk folder for order updates.

At Midwest Washing Equipment, we don’t just sell gear—we help you build smarter, cleaner, and more profitable rigs. Whether you’re scaling up, replacing worn components, or fine-tuning your operation, our proportioners offer dependable performance and long-term value.