Comet RW4040SP Pressure Washer Pump Package – RW4040S-VRT3-310EZ w/ Bypass & Thermal Relief – 4.0 GPM @ 4000 PSI – 1450 RPM
Part Number: RW4040SP Package (RW4040S-VRT3-310EZ)
Category: Pressure Washer Pumps → Pump Packages → Fully Plumbed Pump Assemblies
Type: Comet RW4040SP Pressure Washer Pump Package
The Comet RW4040SP Pressure Washer Pump Package is a professional-grade, pre-configured pressure washer pump assembly built around the proven Comet RW4040S triplex plunger pump. Designed for commercial pressure washing contractors, industrial cleaning systems, fleet maintenance operations, agricultural applications, and custom pressure washer skids, this package combines powerful cleaning performance with simplified installation and dependable long-term reliability.
Key Features & Benefits
- Genuine Comet RW4040SP Pressure Washer Pump Package
- Built around the Comet RW4040S triplex pump
- Produces up to 4.0 GPM
- Rated for 4000 PSI
- Includes VRT3-310EZ pressure regulating bypass unloader
- Includes thermal relief valve
- Heavy-duty belt-drive design
- Slow-speed 1450 RPM operation
- Commercial-duty triplex plunger pump construction
- 24mm solid shaft
- Designed for continuous-duty operation
- Simplifies installation with pre-configured components
- Professional-grade reliability and performance
Package Components
Included Pump
Comet RW4040S Triplex Plunger Pump
- Triplex plunger design
- Belt-drive configuration
- Commercial-duty construction
- Smooth pressure delivery
- Long service life
Included Unloader
Comet VRT3-310EZ Pressure Regulating Bypass Unloader
- Adjustable pressure regulation
- Integrated bypass functionality
- Helps protect pump components
- Designed for professional pressure washer systems
Included Protection Component
Thermal Relief Valve
- Helps prevent overheating during bypass operation
- Improves pump protection and longevity
- Supports safer system operation
Technical Specifications
Manufacturer: Comet
Package Model: RW4040SP
Pump Model: RW4040S
Unloader Model: VRT3-310EZ
Pump Type: Triplex Plunger Pump
Maximum Flow Rate: 4.0 GPM
Maximum Pressure: 4000 PSI
Operating Speed: 1450 RPM
Shaft Size: 24mm Solid Shaft
Drive Type: Belt Drive
Required Electric Motor: Approx. 11 HP
Required Gas Engine: Approx. 14.5 HP
Included Thermal Relief Valve: Yes
Included Bypass Unloader: Yes
Typical Applications
- Commercial pressure washer systems
- Industrial cleaning equipment
- Fleet washing operations
- Equipment and machinery cleaning
- Agricultural cleaning systems
- Property maintenance services
- Pressure washing trailers
- Custom pressure washer skids
- Hot water pressure washers
- Cold water pressure washers
- Wash bay systems
- Municipal maintenance operations
Performance Advantages
- Delivers 4.0 GPM at 4000 PSI for powerful commercial cleaning performance
- Complete package reduces installation complexity and setup time
- Slow-speed 1450 RPM operation helps maximize pump longevity
- Belt-drive configuration reduces vibration and operating temperatures
- Triplex plunger design provides smooth operation and reduced pulsation
- Included VRT3-310EZ unloader allows precise pressure adjustment and bypass protection
- Thermal relief valve helps prevent overheating during bypass operation
- 24mm solid shaft supports demanding commercial and industrial applications
- Ideal for continuous-duty pressure washing environments
- Excellent balance of cleaning pressure, flow rate, and long-term durability
- Built with Comet's trusted professional-grade engineering for dependable performance and reliability
