RMW25G25D 2.5 GPM 2500 PSI | 7/8 Hollow Shaft Pump

RMW25G25D Vertical Axial Pump Package

The RMW25G25D is a complete boxed pump package designed to restore or upgrade residential and
light-commercial pressure washers powered by 4–7 HP vertical-shaft gasoline engines. Built around the
RMW25G25D axial/radial pump, this package delivers 2.2 GPM at 2,400 PSI in a dependable and compact
configuration engineered for everyday exterior cleaning tasks. With a 7/8″ hollow shaft for direct engine
coupling and a standardized mounting footprint, the assembly provides a straightforward replacement
solution that enhances pressure washer performance with minimal installation effort.

Designed and precision-built by Annovi Reverberi, the package includes essential components—pressure
regulator, fittings, hardware, and detergent injection accessories—to support a fast, reliable installation.
The RMW25G25D serves homeowners, contractors, and property-maintenance operators who require
consistent, predictable output backed by durable construction and user-friendly serviceability.

Key Specifications

• 2.2 GPM rated flow for general-purpose cleaning tasks.
• 2,400 PSI operating pressure for practical residential and light-commercial applications.
• Axial/radial pump design engineered for compact vertical-shaft platforms.
• 7/8″ hollow engine-shaft interface for direct-drive mounting.
• Compatible with most 4–7 HP consumer-grade gasoline engines.
• Cold-water duty configuration suitable for routine exterior cleaning.

Performance Characteristics

• Balanced pressure and flow deliver effective washing power without excessive load on small engines.
• Smooth axial/radial motion promotes vibration control and user comfort.
• Pressure consistency supports spray-gun stability and uniform cleaning patterns.
• Optimized water routing reduces pulsation and enhances hydraulic efficiency.

Boxed Kit Contents

• Factory-tested RMW25G25D axial pump assembly.
• Pressure regulator/unloader for precise pressure control during operation.
• Chemical suction hose for detergent-assisted cleaning.
• Mounting bolts and hardware for secure engine installation.
• Essential inlet/outlet fittings and couplers for plumbing integration.
• Installation and maintenance manual for setup, service, and troubleshooting.

Included Functional Components

• Downstream chemical injector for soap-application tasks.
• Integrated unloader valve to manage trigger-release bypass cycles.
• Thermal relief valve to protect against overheating during idle-bypass operation.

Design & Durability

• Corrosion-resistant structural materials withstand water and detergent exposure.
• Precision-machined internal components support consistent compression and discharge.
• Oversized bearings reduce vibration and extend mechanical service life.
• Thermal relief valve mitigates overheating damage to seals and valves.
• Heavy-duty seals and elastomers tolerate variable temperature and pressure cycles.

Component Engineering Advantages

• Valve assemblies designed for stable flow characteristics across load changes.
• Internal tolerances optimized for reliability under repeated residential use.
• Seal compositions selected for detergent-rich environments.

Installation & Ease of Use

• Direct bolt-on design fits most standard 7/8″ vertical-shaft engine configurations.
• Complete boxed kit eliminates the need for additional sourcing or fabrication.
• Included fittings reduce integration time for plumbing and hose connections.
• Protective packaging keeps components organized and damage-free during storage and transport.

Operational Convenience

• Integrated unloader simplifies system control for trigger-on/trigger-off operation.
• Detergent suction system increases cleaning efficiency for stubborn dirt and stains.
• Thermal relief feature supports safe operation during prolonged idle periods.

Typical Applications

• Residential siding, decks, fencing, patios, and walkways.
• Driveways, concrete pads, and outdoor hard surfaces.
• Vehicle cleaning including cars, boats, ATVs, and utility vehicles.
• Light contractor work such as property maintenance and mobile wash services.
• Agricultural and facility-cleaning tasks including equipment and service bays.

Where This Pump Package Performs Best

• Routine home cleaning with moderate water flow requirements.
• Replacement of worn axial pumps on consumer gas-engine platforms.
• Light commercial applications requiring reliable and predictable operation.

Why Choose the RMW25G25D

• Complete installation package reduces downtime and simplifies replacement.
• Italian-engineered pump quality paired with North American support infrastructure.
• Balanced 2.2 GPM / 2,400 PSI output suitable for a wide range of tasks.
• Durable construction designed for repeated use in variable outdoor environments.
• Reliable, cost-effective solution for homeowners, contractors, and equipment fleets.

Conclusion

The AR RMW25G25D provides a dependable and installation-ready vertical pump solution for restoring or
upgrading residential and light-commercial pressure washers. With its complete hardware kit, optimized
hydraulic design, integrated protection features, and durable construction, this package delivers the
performance and reliability required for long-term exterior cleaning tasks across a wide range of
platforms.