RMW25G25D-EV 2.5 GPM 2500 PSI | 7/8 Shaft EV Pump

Annovi Reverberi RMW25G25D-EV Vertical Pump Overview

Product Overview

• Axial cam vertical pump engineered for residential and light commercial pressure washing applications.
• Delivers a consistent 2.5 GPM flow rate paired with 2,500 PSI operating pressure for strong cleaning performance.
• Designed for 3,400 RPM operation to match standard small gas engines used in pressure washers.
• Equipped with a 7/8-inch hollow vertical shaft for direct mounting to compatible engines.
• Features the EV configuration, which includes an integrated unloader bypass system for improved control and pump protection.
• Built with ceramic plungers, stainless steel valves, and reinforced seals to ensure durability under regular use.
• Maintenance-free crankcase pre-filled with premium synthetic oil eliminates lubrication service requirements.
• Suitable for homeowners, contractors, and small commercial users needing reliable cleaning capability.

Key Specifications of RMW25G25D-EV

Specifications

• Flow Rate: 2.5 GPM for balanced cleaning power and efficiency.
• Maximum Pressure: 2,500 PSI for tackling a wide variety of outdoor cleaning tasks.
• Operating Speed: 3,400 RPM, ideal for common pressure washer engines.
• Pump Type: Axial cam, direct-drive vertical pump for compact and efficient performance.
• Shaft Size: 7/8-inch hollow vertical shaft compatible with standard gas engine outputs.
• Version: EV model with integrated unloader bypass system for automatic pressure relief.
• Pressure Adjustment: Manual control knob enabling fine-tuned pressure settings.
• Chemical Injector: Built-in detergent injection system mixes soap into water stream.
• Crankcase: Factory-sealed synthetic oil reservoir requiring no oil changes.
• Construction Materials: Ceramic plungers, stainless steel valves, heavy-duty seals.

What’s Included with RMW25G25D-EV

Included Components

• Pre-filled crankcase with premium synthetic oil for immediate installation and operation.
• Integrated unloader system featuring manual pressure control for user customization.
• Built-in chemical injector for detergent-assisted cleaning jobs.
• Operator’s manual and detailed technical schematics for reference and installation guidance.
• Unit arrives factory-tested to ensure proper function upon installation.
• Mounting bolts are not included and must be sourced separately.

How the Pump Works

Operation Details

• Uses an axial cam direct-drive system to convert engine rotation into pressurized water flow.
• Integrated EV unloader manages water flow and automatically recirculates water during trigger release.
• Unloader bypass system reduces risk of pump overheating by preventing deadhead pressure buildup.
• Manual pressure control knob gives operators the ability to set ideal spray force for each task.
• Chemical injector draws detergent and blends it with water for enhanced cleaning capability.
• Maintenance-free crankcase eliminates the need for oil changes or lubrication service.
• Ceramic plungers reduce friction and heat, extending pump life under frequent use.
• Stainless steel valves ensure precise flow metering and long-term reliability.
• Heavy-duty seals protect internal components and prevent leaks during high-pressure operation.

Benefits of the RMW25G25D-EV

Advantages

• Produces reliable cleaning power suitable for driveways, patios, siding, vehicles, and equipment.
• Integrated EV unloader improves control, safety, and pump longevity.
• Chemical injector enhances cleaning effectiveness with soap or detergent mixtures.
• Durable components reduce wear and extend operational life under regular use.
• Factory-filled synthetic oil crankcase saves maintenance time and reduces overall operating cost.
• Direct-drive design offers compact size, efficiency, and ease of alignment.
• Ships ready for installation, minimizing setup time.
• Compatible with a wide range of vertical-shaft pressure washer engines.

Typical Applications

Applications

• Driveway, sidewalk, brick, and concrete surface cleaning.
• Home exterior washing including siding, decks, fencing, and outdoor structures.
• Automobile, truck, motorcycle, ATV, and small fleet vehicle washing.
• Cleaning of lawn equipment, power tools, landscaping tools, and small machinery.
• Light commercial property cleaning such as storefronts, workshops, and rental units.
• General-purpose pressure washing tasks requiring reliable 2.5 GPM / 2,500 PSI performance.

Why Choose This Pump

Reasons to Choose

• Combines strong performance, long-term dependability, and user-friendly operation.
• Integrated unloader with pressure adjustment enables precision control.
• High-quality materials ensure longevity even in frequent-use environments.
• Represents a cost-effective replacement for worn or failed pressure washer pumps.
• Backed by trusted Annovi Reverberi engineering and industry reputation.
• Designed for seamless installation onto compatible gas-powered pressure washers.

Conclusion & Summary

• Delivers 2.5 GPM at 2,500 PSI with 3,400 RPM operating speed.
• Features a 7/8-inch vertical hollow shaft for direct gas engine mounting.
• Integrated EV unloader provides adjustable pressure control and pump protection.
• Includes a built-in chemical injector and a maintenance-free synthetic oil crankcase.
• Constructed with ceramic plungers, stainless steel valves, and reinforced seals.
• Ideal for residential and light commercial cleaning applications requiring durability and reliability.
• Provides easy installation, excellent performance, and consistent long-term operation.