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Replacement Pump, Advanced Technology and Durability for Pressure Washers.

Solid shaft and Direct Drive.

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Call us at: 800.333.9274

Español: 800.917.9274

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will the unloader have the pressure preset?

 

ZWD4040 Comet Pump Triplex 4 GPM 4000 PSI - includes an unloader, thermal relief valve, quick connect, chemical injector siphon hose, and garden hose inlet with stainless steel filter - 1 inch hollow shaft and universal fits Honda, Kohler and Lifan engines.

Question; When I receive my pump will the unloader have the pressure preset?

• The unloader is not set exactly. 
• The factory uses a default setting that is close to the performance of the 4000psi pump.

• It is not a dependable default setting. 
• Please always check the oil level and start the unloader in the counter-clockwise setting until you can test the system. 

• You can increase the pressure by manually turning the adjustment knob clockwise until you reach the desired load on the engine. 
• Do not exceed 4200psi. 

PDF VTR3 Unloader Click Here

Call us: 800.333.9274

Espanol: 800.917.9274

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The unloader is on backwards which caused the failure.

• Unloader is backwards which caused the failure, This also poses a risk to the operator.

• There is no bypass 

Caution when installing a regulator, if not installed correctly it can cause valve covers to explode and damage the valves.

Phone: 800.333.9274

Español: 800.917.9274

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Water cavitation on a pressure washer

 Water cavitation on a pressure washer is the process of gas bubbles forming and collapsing inside the pump, which can damage the pump and cause premature failure. 

Cavitation occurs when the pump's inlet doesn't supply enough fluid to match the amount being discharged from the outlet. This can happen when the net positive suction head (NPSHR) needed by the pump isn't available. The NPSHA is the minimum pressure required at the suction port to prevent the liquid from boiling or evaporating. 

To prevent cavitation, you can: 

• Ensure the pressure applied at the suction port is greater than the liquid's vapor pressure 
• Match the pump specifications to the fluid and system requirements

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chemical injector is not working

 The choices are adjustable or fixed.

Then look at the threads most are threaded on both sides, Male x male are the most common.

Usually they fail when the soap is left to dry inside the mechanism. Most of the time they can be resurrected by disassembling and cleaning off the dried soap and then reassembling.

The spring inside can be easily lost when you take it apart.

It’s a good practice to rinse with clean water after each use to avoid the soap build up that dries and causes the spring, o-ring and ball to seize up. 

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OEM Replacement Pumps

 

OEM Replacement Pumps

For those seeking original equipment manufacturer (OEM) replacement pumps, we offer a variety of options to ensure compatibility and quality. Discover pumps from popular brands like:

·  Easy-Kleen: Known for their high-quality and precise fit.

·  AAA Pump: Offering reliable and efficient replacements.

·  Husqvarna: Providing top-notch performance and durability.

Features and Benefits:

·  Compatibility: Ensures a perfect fit with your pressure washer.

·  Quality Assurance: Meets or exceeds original specifications.

Reliable Performance: Trusted for consistent and efficient operation

Disclaimer: AllPressureWashers.com is not affiliated with the manufacturers or brands listed on this site. All trademarks, service marks, and company names are the property of their respective owners and are used solely for identification purposes.

833.400.0774
800.917.9274

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Unloader Valves

 

Unloader valves are essential components that regulate pressure and protect the pump from damage. Explore our selection from trusted brands including:

• Landa: Offering high-quality and reliable valves.
• Excell: Known for their efficient and durable designs.
• Troy-Bilt: Providing dependable and effective solutions.

Features and Benefits:

• Pressure Regulation: Ensures optimal performance.
• Pump Protection: Prevents damage and extends lifespan.
• Reliable Performance: Essential for maintaining your pressure washer.

Disclaimer: AllPressureWashers.com is not affiliated with the manufacturers or brands listed on this site. All trademarks, service marks, and company names are the property of their respective owners and are used solely for identification purposes.

833.400.0774

800.917.9274

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