SRMW24G28SX-PKG Pump Package – 2.4 GPM, 2800 PSI, Left-Hand Shaft
- Complete, installer-ready SRMW24G28SX pump package built in Italy by Annovi Reverberi and supported in North America by ARNA.
- Delivers 2.4 GPM at 2800 PSI from a compact triplex axial cam pump for residential, light contractor, and OEM systems.
- SX reverse-orientation shaft for left-hand drive applications – direct-fit replacement for specific OEM washer designs.
- Includes integrated regulator/unloader, chemical suction hose, mounting hardware, and seals for fast, complete installation.
SRMW24G28SX-PKG Key Specifications
- Model: SRMW24G28SX-PKG
- Flow Rate: 2.4 GPM (gallons per minute)
- Maximum Pressure: 2800 PSI
- Pump Design: Triplex axial cam
- Shaft Orientation: SX left-hand / reverse rotation shaft
- Head Material: Forged brass manifold for corrosion and fatigue resistance
- Valves: Stainless-steel check valves for consistent sealing and flow
- Drivetrain: Hardened crankshaft with high-quality bearings for long service life
- Efficiency: Up to ~93% volumetric efficiency for cooler running and reduced energy loss
What’s Included (Boxed Pump Package)
- SRMW24G28SX-PKG pump body with left-hand SX shaft orientation.
- Integrated regulator/unloader assembly pre-fitted for safe pressure control and bypass.
- Installation manual with detailed setup, plumbing, and maintenance instructions.
- Mounting bolts and hardware for quick attachment to compatible engines or frames.
- Chemical suction hose with filter for downstream detergent injection.
- O-rings and seals to support leak-free plumbing connections.
How the SRMW24G28SX-PKG Works
- Triplex axial cam design uses precision-machined components to generate steady high pressure with minimized internal wear.
- Ceramic plungers (internal to the axial design) pressurize water through stainless-steel check valves to create a stable 2800 PSI spray pattern.
- Integrated regulator/unloader automatically diverts water to bypass when the trigger gun is released, preventing dangerous pressure spikes.
- Optimized fluid channels and close tolerances deliver high volumetric efficiency, keeping the pump cooler and improving energy use.
- SX reverse shaft orientation ensures correct rotation and balance on pressure washer frames designed for left-hand drive.
SRMW24G28SX-PKG Benefits & Differentiators
- Complete, installer-ready kit: pump, regulator, hardware, and chemical line included – no separate parts sourcing required.
- Left-hand / SX drive: direct replacement for OEM units that require reverse shaft orientation.
- Compact, high-output design: 2.4 GPM at 2800 PSI from a small footprint for tight engine or cart layouts.
- High efficiency: up to ~93% volumetric efficiency reduces heat, energy waste, and component fatigue.
- Protection built in: integrated unloader and thermal relief help prevent overheating and over-pressurization.
- Serviceable construction: easy access to seals, valves, and internal components for routine maintenance.
Typical Applications
- Residential cleaning: driveways, patios, decks, siding, and outdoor furniture.
- Light contractor use: compact mobile rigs for light- to medium-duty wash jobs.
- Fleet maintenance: smaller vehicle wash systems where 2–3 GPM is sufficient.
- Agriculture: barn sanitation, greenhouse washing, and equipment rinsing.
- Facilities management: schools, warehouses, and municipal buildings for general-purpose washdown.
Reliability, Safety & Maintenance
- Unloader/regulator system prevents over-pressurization and delivers smooth transitions into and out of bypass.
- Thermal relief protection safeguards seals and valves during extended bypass running.
- Forged brass head and stainless valves resist corrosion from detergents and outdoor exposure.
- Hardened crankshaft and quality bearings support regular use in homeowner and light commercial duty cycles.
- Backed by AR North America’s parts distribution and service network for easy access to rebuild kits and support.
SRMW24G28SX-PKG | 2.4 GPM 2800 PSI Vertical Left-Hand Pkg
- Performance: 2.4 GPM @ 2800 PSI in a compact, installer-ready package.
- Drive: SX left-hand reverse shaft orientation for specific OEM layouts.
- Design: triplex axial cam pump with forged brass head, stainless-steel valves, and high-efficiency internals.
- Package contents: pump, integrated regulator/unloader, chemical suction hose, mounting hardware, seals, and manual.
- Best for: residential washers, light-duty contractor rigs, fleet spot-wash stations, agricultural and facility maintenance.
- A durable, compact, and direct-fit replacement solution for OEM washers that require left-hand drive and installer-ready packaging.





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