VRC25 | Unloader Valve, 3600 PSI, 3/8 NPT, with Knob

VRC25 | Unloader Valve, 3600 PSI, 3/8 NPT, with Knob

• The Annovi Reverberi VRC25 is a professional-grade
  unloader valve designed for pressure washer systems rated
  up to 3,600 PSI.
• Features 3/8″ NPT female connections for seamless
  integration into North American cleaning equipment.
• Compact, durable body with precision-machined internals
  provides stable pressure control across frequent duty cycles.
• Front-mounted control knob allows quick, repeatable
  pressure adjustments directly in the field.
• Built for contractors, rental fleets, commercial facilities,
  and industrial operators needing reliable pump protection
  and easy on-site control.

Key Specifications

• Model: VRC25
• Type: Adjustable unloader valve with knob
• Maximum Pressure: 3,600 PSI
• Connections: 3/8″ NPT female ports
• Function: Automatic bypass pressure regulation
• Use Case: Professional, rental, commercial, and industrial systems

Reliable Pressure Regulation & Bypass Protection

• Integrated automatic bypass system activates whenever the
  spray trigger is released.
• Redirects pressurized water away from the pump, preventing dangerous
  overpressure spikes.
• Extends pump life by reducing stress-induced wear on seals,
  pistons, and bearings.
• Helps control system heat buildup during bypass cycles,
  protecting internal components.
• Improves operator safety by minimizing the risk of hose
  burst, hose whip, or fitting failure.
• Delivers consistent, repeatable regulation for smoother day-to-day operation
  and reduced maintenance costs.

Adjustment & On-Site Control

• Front-facing control knob allows fast, tool-free pressure
  adjustments.
• Operators can tune pressure for delicate surfaces or
  maximum cleaning power in seconds.
• Supports repeatable settings so crews can return to known
  pressures for standard jobs.
• Increases system flexibility—one valve can serve
  multiple applications on the same rig.
• Ideal for fleets or rental units where different operators need simple,
  intuitive control.

Construction & Connections

• 3/8″ NPT female ports provide straightforward plumbing into
  U.S.-standard systems.
• Rugged housing resists corrosion, impact, and vibration in
  contractor and industrial environments.
• Precision-machined internals deliver smooth transitions
  between spray and bypass modes.
• Compact body fits in tight layouts on portable, trailer-
  mounted, or skid-mounted rigs.
• Service-friendly design allows straightforward disassembly
  for cleaning or seal replacement, minimizing downtime.

Typical Applications

• Contractor Wash Rigs – Mobile pressure washing trailers and
  truck-mounted systems.
• Industrial Maintenance – Factory, warehouse, and plant
  washdown systems.
• Commercial Facilities – Schools, campuses, municipal
  buildings, and property maintenance.
• Rental & OEM Platforms – Robust, easy-to-service
  component for equipment with frequent operator turnover.
• General Professional Cleaning – Any 3,600 PSI-class system
  needing adjustable, reliable pressure control.

Benefits for Professionals

• Pump Longevity: Protects internal seals, bearings, and check
  valves by preventing overpressure and heat-related stress.
• Operator Control: Knob-based adjustment puts pressure tuning
  directly in the operator’s hands—no tools required.
• System Safety: Automatic bypass minimizes the risk of hose
  whip, bursts, and sudden pressure spikes.
• Easy Integration: Standard 3/8″ NPT female ports simplify
  plumbing and retrofit upgrades.
• High-Cycle Durability: Built to withstand the demands of
  contractor and industrial workloads.
• Reduced Downtime: Service-friendly layout supports quick
  maintenance, keeping rigs and facilities online longer.

Summary

• The Annovi Reverberi VRC25 – Unloader Valve – 3600 PSI – 3/8″ NPT
  with Knob delivers a practical blend of safety, control, and
  durability for professional cleaning systems.
• Its automatic bypass function, rugged construction, and
  front-mounted adjustment knob ensure pumps are protected,
  operators stay in control, and systems run efficiently under daily use.
• Compact, compatible with North American plumbing, and easy to service, the
  VRC25 is a go-to unloader valve for contractors, facility
  managers, OEMs, and rental providers who need long-term dependability in a
  versatile, field-friendly package.