CRK15.28HN-402 | Pump Assembly Replacement

CRK15.28HN-402

• Model: Annovi Reverberi CRK15.28HN-402 Pump Assembly built around the RK1528HN-310 triplex pump.
• Performance: Delivers 4.0 GPM at 4,200 PSI while running at a low 1,450 RPM for durability, efficiency, and consistent output.
• Construction: Features a forged brass manifold, solid ceramic plungers, and stainless steel valves for heavy-duty cleaning and industrial use.
• Unloader: Includes ArrowLine Unloader Valve Assembly High Quality Pressure Washer VRT3 for precise pressure control and system protection.
• Serviceability: Pre-filled oil and an integrated sight glass make monitoring and routine maintenance simple.
• Warranty: Backed by a 5-year manufacturer’s warranty for long-term reliability in commercial and property maintenance applications.

Key Specifications

• Model: CRK15.28HN-402.
• Flow rate: 4.0 GPM (gallons per minute).
• Maximum pressure: 4,200 PSI.
• Operating speed: 1,450 RPM low-speed operation for extended service life and reduced wear.
• Pump type: Triplex ceramic plunger pump assembly.
• Manifold: Forged brass for superior strength and corrosion resistance.
• Plungers: Solid ceramic plungers engineered for maximum durability.
• Valves: High-grade stainless steel valves for reliability and long-term sealing performance.
• Oil system: Pre-filled with oil and equipped with a sight glass for quick visual inspection.
• Unloader valve: ArrowLine VRT3 high-quality pressure washer unloader assembly included.
• Warranty: 5-year manufacturer’s warranty.

What’s Included CRK15.28HN-402

• RK1528HN-310 triplex plunger pump with plumbing.
• Forged brass manifold for long-term durability in demanding environments.
• Solid ceramic plungers designed for superior wear resistance.
• Stainless steel valves for dependable sealing and corrosion resistance.
• ArrowLine Unloader Valve Assembly High Quality Pressure Washer VRT3 pre-installed for pressure regulation.
• Pre-filled pump oil with integrated sight glass for easy maintenance checks.
• Instruction manual and schematic for installation, plumbing, and service reference.
• 5-year manufacturer’s warranty documentation for peace of mind.

How the Pump Works

• Triplex plunger system produces smooth, consistent hydraulic output for demanding cleaning applications.
• Pump draws water into the forged brass manifold where ceramic plungers and stainless valves pressurize the flow.
• Integrated ArrowLine VRT3 unloader regulates system pressure and diverts flow when the trigger is released, protecting components from spikes.
• Assembly delivers up to 4,200 PSI at 4.0 GPM, providing powerful, reliable cleaning performance.
• Low-speed 1,450 RPM operation reduces heat buildup, vibration, and mechanical wear during extended use.
• Pre-filled oil system with sight glass allows quick oil level checks to reduce maintenance time and extend service intervals.

Benefits of the CRK15.28HN-402

• Reliable performance: 4.0 GPM at 4,200 PSI supports demanding residential, commercial, and industrial cleaning tasks.
• Low-speed durability: 1,450 RPM operation minimizes stress on internal components and extends overall pump life.
• Advanced pressure control: ArrowLine VRT3 unloader enhances safety and system longevity.
• Heavy-duty construction: Forged brass manifold, ceramic plungers, and stainless valves withstand continuous use.
• Easy maintenance: Pre-filled oil and a clear sight glass simplify routine inspections.
• Professional-grade design: Built for frequent operation in demanding environments.
• Long-term coverage: 5-year manufacturer’s warranty underscores reliability and build quality.

Typical Applications

• Residential cleaning: Large driveways, patios, siding, fences, and decks.
• Vehicle & equipment washing: Cars, trucks, trailers, agricultural and construction machinery.
• Commercial property maintenance: Sidewalks, storefronts, warehouses, and large facility exteriors.
• Contractor use: Construction sites, fleet washing, and portable pressure-washer systems.
• Industrial cleaning: Manufacturing facilities, heavy machinery, and workshop environments.

Maintenance Tips

• Change crankcase oil after the first 50 hours of operation, then every 500 hours or according to service conditions.
• Check oil level in the sight glass before each use to ensure proper lubrication.
• Maintain a steady, adequate water supply to prevent cavitation or dry running.
• Use filtered or clean water to protect internal components from debris.
• Inspect fittings, seals, and hoses regularly for signs of wear or leakage.
• Store the pump assembly in a clean, dry environment when not in use.

Final Overview

• The CRK15.28HN-402 is a premium, ready-to-integrate pump assembly engineered for strength, efficiency, and long-term reliability.
• Combines 4.0 GPM flow, 4,200 PSI pressure, and low-speed 1,450 RPM operation to deliver consistent professional cleaning power.
• Forged brass manifold, stainless steel valves, ceramic plungers, and precision components work together to withstand heavy use while minimizing wear.
• Integrated ArrowLine VRT3 unloader valve provides dependable pressure regulation and system protection.
• Pre-filled oil and sight glass simplify routine maintenance and maximize uptime.
• Backed by a 5-year warranty, the CRK15.28HN-402 delivers professional-grade performance for residential, commercial, and industrial pressure-washing systems.

4200 PSI Strong

The CRK15.28HN-402 Pump Assembly is a high-performance solution designed for professionals who require dependable power, durability, and precision in demanding pressure-washing environments. Built around the proven RK1528HN-310 triplex plunger pump, this assembly delivers an impressive 4.0 gallons per minute at up to 4,200 PSI while operating at a low 1,450 RPM. This low-speed design significantly reduces heat, vibration, and internal wear, resulting in longer service life and more consistent output during extended cleaning operations.

Engineered for heavy-duty use, the pump features a forged brass manifold for exceptional strength and corrosion resistance, solid ceramic plungers for superior wear performance, and stainless steel valves for reliable sealing under high pressure. These premium materials allow the assembly to withstand continuous operation in harsh conditions, making it suitable for professional contractors, commercial property maintenance teams, and industrial facilities.

A key advantage of this configuration is the inclusion of the ArrowLine Unloader Valve Assembly High Quality Pressure Washer VRT3. This precision component regulates system pressure and protects the pump by diverting water flow when the spray gun trigger is released. By preventing dangerous pressure spikes and thermal buildup, the unloader enhances both safety and longevity of the entire pressure-washing system.

Maintenance is streamlined through a pre-filled crankcase oil system and integrated sight glass, allowing operators to quickly verify oil levels without disassembly. This reduces downtime and simplifies routine service, ensuring the pump remains ready for demanding workloads. The assembly is designed for straightforward installation into a wide range of pressure-washer builds, from mobile contractor units to fixed industrial systems.

Whether used for large residential projects, fleet washing, construction cleanup, or industrial equipment maintenance, the CRK15.28HN-402 provides consistent, professional-grade performance. Backed by a 5-year manufacturer’s warranty, it represents a long-term investment in reliability, efficiency, and cleaning power for users who cannot afford equipment failure in the field.