AR24669 | VRZ Unloader Knob, Polymer

AR24669 | VRZ Unloader Knob, Polymer

The Annovi Reverberi AR24669 – VRZ Unloader Knob – Polymer is a VRZ series unloader
valve engineered to deliver consistent, easy-to-control pressure regulation for general-purpose
pressure washer systems. Built with a rugged polymer body, precision-machined internals, and a
knob-operated control system, it maintains smooth system operation while protecting pumps from
overpressure during idle cycles.

Whether you run a mobile wash rig, a light commercial system, or a contractor-grade setup, the
AR24669 provides a simple, reliable, and cost-effective solution for system protection and flow
control—ideal for operators who need dependable performance in a wide range of cleaning
environments.

Key Features & Applications

Efficient Pressure Regulation for Daily Use

• Optimized for light- to mid-duty pressure washer systems.
• Well-suited for typical 3–4 GPM pressure washers.
• Compatible with systems operating around 2600–3000 PSI, depending on configuration.
• Automatically redirects water into bypass when the trigger is released to prevent pressure spikes and pump stress.

Knob-Operated, Tool-Free Adjustments

• Large ergonomic knob allows quick, smooth pressure changes in the field.
• No tools or specialized training required for adjustment.
• Ideal for contractors managing diverse cleaning tasks on the same job site.
• Supports on-the-fly tuning when switching between vehicles, building surfaces, or detergent types.

AR24669 | VRZ Unloader Knob, Polymer

Polymer Housing for Real-World Conditions

• Durable polymer body resists chemical corrosion and UV exposure.
• Lightweight design is perfect for portable and mobile wash systems.
• Compact, corrosion-resistant construction stands up to frequent handling.
• Engineered to endure frequent cycling and repeated pressure adjustments.

Pump & System Protection

• Automatically routes water to bypass when the spray trigger is disengaged.
• Helps extend pump service life by reducing idle pressure exposure.
• Reduces risk of hose blowouts and component failures from pressure surges.
• Maintains stable performance across long operating periods with minimal oversight.

Versatile Fit for Multiple Applications

• Industry-standard inlet and outlet layout for easy integration into existing systems.
• Compatible with gas-powered, electric-powered, and trailer-mounted pressure washers.
• Works with most brands of contractor-grade pumps, hoses, and accessories.
• Popular choice for upgrades, replacements, and OEM installations.

Key Specs & Uses

AR24669 | VRZ Unloader Knob, Polymer

• Type: VRZ unloader valve with knob adjustment.
• Adjustment: Tool-free, knob-operated pressure control.
• Material: Corrosion-resistant polymer housing.
• Function: Pressure regulation with automatic bypass safety.
• Performance: Designed for continuous operation and frequent cycling.
• Typical Applications: Multi-purpose cleaning systems, light commercial setups,
  contractor rigs, facility maintenance equipment, and portable/mobile wash systems.