RMW22G24SX-PKG Vertical Axial Pump Package
The AR RMW22G24SX-PKG is a complete boxed replacement kit built around the RMW22G24SX vertical axial pump,
engineered for residential and light-commercial pressure washer platforms. Delivering 2.2 GPM at 2,400 PSI,
this package provides a balanced combination of pressure, flow, and installation convenience, making it an
ideal solution for restoring performance on small gas-engine pressure washers or upgrading from worn OEM
units. Designed for 7/8″ vertical-shaft engines in the 4–7 HP range, the assembly ensures reliable output,
smooth operation, and long service life in routine exterior cleaning applications.
Packaged with essential hardware, fittings, and an integrated pressure-regulating system, the RMW22G24SX-PKG
simplifies installation while maintaining the durability and performance expected from Annovi Reverberi.
The pump’s axial/radial cam layout offers a compact footprint suitable for lightweight pressure washer
frames, while its internal engineering supports consistent performance across repeated start-stop cycles
common in residential and contractor environments.
Key Specifications
- 2.2 GPM flow for moderate-duty surface and equipment cleaning tasks.
- 2,400 PSI operating pressure for balanced cleaning impact.
- Axial/radial pump design optimized for compact vertical-engine platforms.
- 7/8″ hollow shaft designed for direct engine mounting.
- Compatible with most 4–7 HP consumer and light-commercial gas engines.
- Cold-water duty rating for residential and property-maintenance applications.
Performance Characteristics
- Provides consistent power for patios, siding, fencing, and equipment cleaning.
- Supports wide spray patterns and routine surface-preparation tasks.
- Axial/radial motion reduces vibration and improves overall smoothness.
- Efficient water pathway design enhances throughput and reduces pulsation.
Boxed Kit Contents
- Factory-tested RMW22G24SX vertical axial pump assembly.
- Pressure regulator/unloader for controlled operating pressure.
- Chemical suction hose for downstream detergent injection.
- Mounting bolts and hardware for secure engine attachment.
- Inlet and outlet fittings for streamlined plumbing integration.
- Installation and maintenance manual with troubleshooting guidance.
Installation Convenience
- Direct bolt-on design aligns with standard vertical gas-engine patterns.
- Preconfigured components reduce installation time and setup complexity.
- All required hardware included to simplify field replacement.
- Packaged layout protects critical components during transit and storage.
Design & Durability
- Corrosion-resistant housing withstands exposure to water and detergents.
- Precision-machined internals ensure efficient water compression and delivery.
- Oversized bearings minimize vibration and extend mechanical service life.
- Thermal relief valve (TRV) protects pump seals during prolonged bypass periods.
- Heavy-duty seals and valves tolerate variable pressure and cleaning chemicals.
Component Strength
- Valve architecture designed for consistent suction and discharge cycles.
- Internal tolerances optimized for reduced wear under repeated use.
- Seal materials selected for long-term stability in wet environments.
How the Pump Works
- Axial cam mechanism converts engine rotation into reciprocating plunger motion.
- Plungers draw water in and compress it through stainless-steel valves for smooth discharge.
- Unloader regulates system pressure and redirects water to bypass during trigger release.
- TRV activates automatically to release overheated water and draw in cooler supply.
- Chemical suction hose introduces detergents downstream for soap-assisted cleaning.
Operational Behavior
- Stable flow output maintains consistent cleaning patterns.
- Low-vibration axial design improves operator comfort and reduces engine load.
- Bypass cycling supports pump longevity during trigger-on/trigger-off cleaning.
Typical Applications
- Residential surface cleaning including patios, driveways, walkways, and stonework.
- Siding and exterior structure washing for homes and small facilities.
- Vehicle and equipment maintenance including cars, trucks, ATVs, and small tractors.
- Light-commercial and contractor tasks such as property upkeep and rental-fleet units.
- Agricultural and facility washdown for tools, machinery, and service areas.
Where This Pump Performs Best
- Routine residential pressure washing with moderate flow requirements.
- Portable pressure-washer platforms needing a compact, replaceable pump module.
- Entry-level contractor applications requiring reliable startup and steady output.
Why Choose the RMW22G24SX-PKG
- Complete boxed solution with all essential components included.
- Direct bolt-on compatibility reduces downtime and installation difficulty.
- Balanced 2.2 GPM / 2,400 PSI performance for versatile cleaning tasks.
- Durable construction designed for consistent use in wet environments.
- Supported by AR’s reliability, parts availability, and engineering standards.
RMW22G24SX-PKG Vertical Axial Pump Package
The AR RMW22G24SX-PKG provides a ready-to-install vertical pump solution for restoring or upgrading
residential and light-commercial pressure washers. With its complete hardware kit, durable axial design,
integrated control systems, and balanced performance output, this package delivers long-term value for
homeowners, contractors, and facility maintenance teams seeking dependable and straightforward pump
replacement.





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