VRS3-190 | Unloader Valve, 2800 PSI, 3/8 Yellow

VRS3-190 – Unloader Valve – 2800 PSI – 3/8″ NPT – Yellow Spring

The Annovi Reverberi VRS3-190 is a compact, precision-engineered unloader valve designed for stable, reliable performance in light commercial, facility, and mobile contractor cleaning systems. Rated for 190 BAR (≈2,800 PSI), it provides consistent regulation and dependable bypass protection to prevent damaging pressure spikes. With 3/8″ NPT connections and a calibrated yellow spring, this model integrates easily into small to mid-capacity pressure washer setups while maintaining smooth and predictable operation.

Where large unloaders can be bulky or oversized, the VRS3-190 delivers professional-grade control in a compact, flexible format—ideal for contractor trailers, mobile rigs, and facility wash bays.

Precision Regulation with Yellow Spring Control

The VRS3-190’s yellow spring assembly is tuned for stable regulation across the full operating range up to 190 BAR. This ensures smooth performance during throttle changes and trigger release cycles.

• Smooth, predictable pressure regulation.
• Reduced surge and lag during operation.
• Less stress on pump seals, valves, and bearings.
• Automatic bypass activation when the trigger is released.
• Prevents overpressure and reduces heat buildup in the pump.

Compact, Service-Friendly Design

Designed for tight spaces, the VRS3-190 fits easily into mobile rigs and compact cleaning units without sacrificing performance.

• Space-saving design for flexible installation.
• Ideal for portable washers and mobile contractor setups.
• Service-friendly layout minimizes downtime.
• Reduced potential leak points due to streamlined fittings.

VRS3-190 Durable Build for Daily Use

Built from corrosion-resistant materials, the VRS3-190 stands up to frequent cycling and exposure to water, detergents, and outdoor environments.

• Rugged internal components for long service life.
• Resists wear from constant trigger cycling.
• Reliable performance for daily contractor use.
• Affordable, long-lasting protection for pumps and systems.

VRS3-190 | Unloader Valve, 2800 PSI, 3/8 NPT Yellow Spring Key Specifications

• Pressure Rating: 190 BAR (≈2,800 PSI)
• Spring: Yellow spring for calibrated regulation
• Connections: 3/8″ NPT ports
• Function: Automatic bypass for pump and system protection
• Design: Compact, space-efficient body

Applications

• Mobile Contractor Systems – ideal for trailer or vehicle-mounted pressure washer rigs.
• Light Commercial Cleaning – supports custodial teams and small cleaning businesses.
• Facility Maintenance – integrates into fixed wash bays and maintenance stations.
• Rental Fleets – durable design withstands frequent user changes.
• Agriculture & Groundskeeping – suitable for farm and municipal equipment.

Operator Benefits

• Prevents overpressure damage to pumps and hoses.
• Stable performance from yellow spring calibration.
• Compact body fits tight or mobile installations.
• Reduced downtime thanks to durable construction.
• Cost-efficient way to extend pump and accessory life.

VRS3-190 | Unloader Valve, 2800 PSI, 3/8 NPT Yellow Spring

The Annovi Reverberi VRS3-190 unloader valve delivers dependable pressure regulation, automatic bypass protection, and a compact, service-friendly design tailored for light commercial, contractor, and facility cleaning systems. With its calibrated yellow spring, rugged build, and easy integration, it ensures pumps stay protected while operators benefit from smooth, stable performance and reduced maintenance.

For professionals needing a small-format unloader with proven reliability, the VRS3-190 remains a top choice.