Dolly Kit for Comet 5025.0020.00 Valve TW Series Pumps – OEM Replacement Part
Part Number: 7445
Category: Pressure Washer Parts → Pump Parts → Check Valves & Repair Kits
Type: Comet Pumps 5025.0020.00 Valve Kit
The Dolly Kit for Comet 5025.0020.00 Valve TW Series Pumps (Part #7445) is a genuine OEM replacement valve service kit designed to restore proper flow control and maintain peak performance in compatible Comet TW Series triplex plunger pumps. This kit includes replacement valves and O-rings (7x6 pieces) required for servicing worn, damaged, or contaminated valve assemblies, helping maintain consistent operating pressure, improve flow efficiency, and extend pump service life.
Key Features & Benefits
- Genuine Comet Pumps OEM replacement kit
- Designed for Comet TW Series pumps
- Includes replacement valves and O-rings
- Kit contains valve and sealing components (7x6 pieces)
- Helps restore proper valve operation
- Maintains operating pressure and flow
- Reduces internal leakage and pressure loss
- Supports efficient pump performance
- OEM-quality materials and construction
- Ideal for preventative maintenance and pump rebuilds
- Direct replacement design
- Helps extend pump service life
Technical Specifications
Part Number: 7445
Manufacturer: Comet Pumps
Manufacturer Model Number: 5025.0020.00
Product Description: Kit Dolly Com20 Valves with O-Rings (7x6 pc)
Product Type: Valve & O-Ring Service Kit
Kit Contents: Valves and O-Rings
Quantity: Valve and Seal Components (7x6 Pieces)
Pump Compatibility: Comet TW Series Pumps
OEM Replacement: Yes
Application: Pump Valve Maintenance and Repair
Common Applications
- Comet TW Series pressure washer pumps
- Commercial pressure washing equipment
- Industrial cleaning systems
- Agricultural spraying equipment
- Fleet washing systems
- Water transfer equipment
- Wash-down systems
- Pump rebuild and maintenance services
Performance Benefits
- Restores proper valve operation
- Helps maintain consistent operating pressure
- Improves water flow efficiency
- Reduces internal bypass and leakage
- Supports smooth pump performance
- Improves pump reliability and longevity
- Maintains consistent cleaning performance
- Extends pump service life
Signs Pump Valves May Need Replacement
Replace the valves and O-rings if you notice:
- Loss of operating pressure
- Pulsating pressure output
- Reduced flow rate
- Internal water leakage
- Difficulty maintaining pressure
- Excessive valve wear
- Damaged O-rings or sealing components
- Inconsistent pump performance
Installation Notes
- Shut down the pressure washer and relieve all system pressure.
- Disconnect power and water supply.
- Remove valve caps according to Comet service procedures.
- Remove worn valve and O-ring components.
- Clean valve chambers thoroughly.
- Install new OEM valves and O-rings from the kit.
- Reassemble the pump according to manufacturer specifications.
- Test operation and verify proper pressure and flow performance.
Important: Always consult the Comet Pumps service manual and verify compatibility with your specific TW Series pump model before installation.
Maintenance Recommendations
- Inspect valves during routine pump maintenance.
- Replace worn valves and O-rings promptly.
- Maintain proper inlet filtration.
- Use clean water sources whenever possible.
- Follow manufacturer-recommended maintenance schedules.
- Address pressure fluctuations immediately to prevent additional pump wear.