Annovi Reverberi VRT3-310EZ Unloader – 4500 PSI, Brass, EZ Start

Overview

The Annovi Reverberi VRT3-310EZ Unloader is designed to help you manage pressure with precision, protecting your pump from sudden spikes while you tackle tough cleaning tasks. Built with a robust brass body and a reliable black spring, this unit integrates smoothly with standard 2 x 3/8" F inlet and 3/8" F outlet connections. Its compact, purpose-built design makes it a practical addition to many pressure washer setups.

At the core, an adjustable knob sits atop the spring, giving you hands-on control over internal pressure. Combined with a built-in Easy Start valve, the unloader supports smoother startup and more predictable performance during extended cleaning sessions. This blend of reliability and tunable control helps you tailor your spray to the surface you’re working on, from delicate siding to stubborn grime.

Key specifications

• Max PSI: 4,500 • Max GPM: 10.5
• Inlet: 2 x 3/8" F • Outlet: 3/8" F
• By-Pass Ports: 2 x 3/8" F
• Brass construction • Black spring
• Built-in Easy Start valve
• Easy to install on compatible pumps

Why consider the VRT3-310EZ unloader

Real-world cleaning often requires balancing aggressive spray with careful control. This unloader is designed to relieve built-up pressure inside the pump when you back off the trigger, helping to maintain a steady flow and reduce abrupt starts. The brass body contributes durability in humid or outdoor environments, while the adjustable knob enables quick, on-the-spot pressure tuning without swapping parts.

Real-world use cases

• House exterior washing, where surface gentleness and spray accuracy matter
• Driveway and patio cleaning, with the option to fine-tune pressure for concrete and pavers
• Equipment maintenance and gear cleaning, requiring controlled, predictable spray

Installation and care tips

Attach the unloader to a compatible pump using the provided inlet and outlet fittings, then adjust the knob to your target pressure. Periodically inspect the brass body and spring for wear, and keep fittings clean and sealed to maintain performance over time.