

STAWAY 1" Shaft Pressure Washer Pump - 4200 PSI, 4.2 GPM, Durable Triplex Design, Easy Maintenance, Compatible with Simpson MorFlex & Santoprene
About this item
- 1.High-Efficiency Cleaning Power: Our pressure washer pump delivers up to 4200 PSI of powerful water pressure with a maximum flow rate of 4.2 GPM, ensuring fast completion of tasks ranging from household cleaning to light industrial jobs. (Recommended working pressure: 3400 PSI for typical residential and light industrial cleaning and to extend pump life.)
- 2.Durable, Long-Lasting Design: Utilizing advanced anodizing technology, the parts washer pump's surface forms a hard protective layer, significantly enhancing corrosion resistance and durability. Built to last, this pump provides reliable performance for up to 500 hours of continuous use.
- 3.Equipped with Pressure Regulator: Adjust pressure output precisely based on engine operation to achieve optimal performance for any cleaning task. Easily reduce pressure during short pauses to switch the engine to idle mode, reducing noise and extending equipment life for a more comfortable operating experience.
- 4.Broad Compatibility: Featuring a standard SAE bolt pattern, this power washer pump is compatible with various horizontal engine pressure washers, including Simpson MorFlex models 40224, 40225, 40226, and Santoprene model 41182. Match engine orientation, PSI, GPM, engine shaft diameter, and current pump inlet/outlet connections to ensure compatibility.
- 5.Easy Maintenance: An integrated oil sight glass lets you check oil levels without disassembling the unit, helping detect low oil or contamination promptly to keep the pump in peak condition. To extend lifespan and ensure continuous efficiency, we recommend changing the oil every 60 hours of operation. Note: This replacement pump for power washer is intended for use with cold water only.
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About this item
Product details
STAWAY Pressure Washer Pump - 1" Shaft Horizontal Triplex Plunger
Maximize Your Cleaning Power with STAWAY!
Introducing the STAWAY Pressure Washer Pump, designed for both residential and light industrial cleaning tasks. With an impressive output of up to 4200 PSI and a flow rate of 4.2 GPM, this pump is engineered to tackle even the toughest cleaning jobs with ease. Whether you’re washing your car, cleaning your driveway, or maintaining your outdoor spaces, the STAWAY pump ensures you get the job done quickly and efficiently.
Key Features
- High-Efficiency Cleaning Power: Achieve powerful cleaning results with a maximum pressure of 4200 PSI. For optimal performance and longevity, we recommend a working pressure of 3400 PSI for typical residential and light industrial tasks.
- Durable, Long-Lasting Design: Constructed with advanced anodizing technology, the pump features a hard protective layer that enhances corrosion resistance and durability. Built to withstand up to 500 hours of continuous use, this pump is a reliable choice for demanding environments.
- Equipped with Pressure Regulator: The integrated pressure regulator allows you to adjust the pressure output based on engine operation, ensuring optimal performance for any cleaning task. Easily reduce pressure during short pauses to switch the engine to idle mode, minimizing noise and extending the life of your equipment.
- Broad Compatibility: Featuring a standard SAE bolt pattern, the STAWAY pump is compatible with various horizontal engine pressure washers, including popular models such as Simpson MorFlex 40224, 40225, 40226, and Santoprene model 41182. Ensure compatibility by matching engine orientation, PSI, GPM, engine shaft diameter, and current pump inlet/outlet connections.
- Easy Maintenance: The integrated oil sight glass allows for quick checks of oil levels without disassembly. Regular oil changes every 60 hours of operation are recommended to maintain peak performance. Note: This pump is designed for use with cold water only.
Product Specifications
- Dimensions: 13.98" (L) x 13.39" (W) x 10.63" (H)
- Weight: 23.59 lbs
- Shaft Size: 1 inch
- Type: Horizontal Triplex Plunger
- Max Pressure: 4200 PSI
- Flow Rate: 4.2 GPM
What’s in the Box?
When you purchase the STAWAY Pressure Washer Pump, you will receive:
- 1 x STAWAY Pressure Washer Pump
- Variety of nozzles for different cleaning tasks
- Complete installation hardware for easy setup
Why Choose STAWAY?
The STAWAY Pressure Washer Pump is not just a replacement; it’s an upgrade. With its triplex plunger design, you’ll experience more stable and powerful pressure output compared to traditional pumps. Each stroke delivers consistent output, reducing pressure fluctuations and enhancing cleaning efficiency.
Designed for high-frequency use, this pump is perfect for those who demand reliability and performance. The exceptional durability and low failure rates mean less downtime and lower maintenance costs, making the STAWAY pump a smart investment for your cleaning needs.
Boost your productivity and satisfaction with the STAWAY Pressure Washer Pump. Order yours today and experience the difference!
- 1.High-Efficiency Cleaning Power: Our pressure washer pump delivers up to 4200 PSI of powerful water pressure with a maximum flow rate of 4.2 GPM, ensuring fast completion of tasks ranging from household cleaning to light industrial jobs. (Recommended working pressure: 3400 PSI for typical residential and light industrial cleaning and to extend pump life.)
- 2.Durable, Long-Lasting Design: Utilizing advanced anodizing technology, the parts washer pump's surface forms a hard protective layer, significantly enhancing corrosion resistance and durability. Built to last, this pump provides reliable performance for up to 500 hours of continuous use.
- 3.Equipped with Pressure Regulator: Adjust pressure output precisely based on engine operation to achieve optimal performance for any cleaning task. Easily reduce pressure during short pauses to switch the engine to idle mode, reducing noise and extending equipment life for a more comfortable operating experience.
- 4.Broad Compatibility: Featuring a standard SAE bolt pattern, this power washer pump is compatible with various horizontal engine pressure washers, including Simpson MorFlex models 40224, 40225, 40226, and Santoprene model 41182. Match engine orientation, PSI, GPM, engine shaft diameter, and current pump inlet/outlet connections to ensure compatibility.
- 5.Easy Maintenance: An integrated oil sight glass lets you check oil levels without disassembling the unit, helping detect low oil or contamination promptly to keep the pump in peak condition. To extend lifespan and ensure continuous efficiency, we recommend changing the oil every 60 hours of operation. Note: This replacement pump for power washer is intended for use with cold water only.
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