24 Results
24 Results
$49.13
SKU: 70-0646 | Brand:
$49.13
Mi-T-M 8-0631 Unloader Assembly W/ QC & Banjo Bolts
4% OFF
$123.19 Price reduced from $128.95
Mi-T-M 8-0631 Unloader Assembly W/ QC & Banjo Bolts
4% OFF
SKU: 8-0631 | Brand:
$123.19 Price reduced from $128.95
Please contact us about this item
MI-T-M 850-0345 Pressure Washer Unloader
6% OFF
$456.45 Price reduced from $483.95
MI-T-M 850-0345 Pressure Washer Unloader
6% OFF
SKU: 850-0345 | Brand:
$456.45 Price reduced from $483.95
Mi-T-M 8-0630 Unloader Assembly Without Chemical Injection
4% OFF
$128.03 Price reduced from $133.95
Mi-T-M 8-0630 Unloader Assembly Without Chemical Injection
4% OFF
SKU: 8-0630 | Brand:
$128.03 Price reduced from $133.95
$47.23
SKU: 187879GS | Brand:
$47.23
Mi-T-M 8-0493 Unloader Valve W/ Detergent Injector
6% OFF
$317.34 Price reduced from $336.95
Mi-T-M 8-0493 Unloader Valve W/ Detergent Injector
6% OFF
SKU: 8-0493 | Brand:
$317.34 Price reduced from $336.95
Mi-T-M 8-0633 Unloader Pulsar Assembly  W/Cap
70% OFF
$30.00 Price reduced from $100.00
Mi-T-M 8-0633 Unloader Pulsar Assembly  W/Cap
70% OFF
SKU: 8-0633 | Brand:
$30.00 Price reduced from $100.00
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Mi-T-M 70-0517 Valve Plate Kit
4% OFF
$129.86 Price reduced from $135.95
Mi-T-M 70-0517 Valve Plate Kit
4% OFF
SKU: 70-0517 | Brand:
$129.86 Price reduced from $135.95
Dewalt 5140123-72 Pressure Washer Unloader Assembly
6% OFF
$669.18 Price reduced from $708.95
Dewalt 5140123-72 Pressure Washer Unloader Assembly
6% OFF
SKU: 5140123-72 | Brand:
$669.18 Price reduced from $708.95
Mi-T-M 850-0252 Unloader Assembly
4% OFF
$195.38 Price reduced from $203.95
Mi-T-M 850-0252 Unloader Assembly
4% OFF
SKU: 850-0252 | Brand:
$195.38 Price reduced from $203.95
Mi-T-M 8-0522 Unloader
6% OFF
$518.72 Price reduced from $549.95
Mi-T-M 8-0522 Unloader
6% OFF
SKU: 8-0522 | Brand:
$518.72 Price reduced from $549.95
Mi-T-M 8-0361 Unloader
4% OFF
$202.20 Price reduced from $210.95
Mi-T-M 8-0361 Unloader
4% OFF
SKU: 8-0361 | Brand:
$202.20 Price reduced from $210.95

Pressure Washer Unloader Valve Replacement Parts

Pressure washer unloader valves regulate water pressure within the system, ensuring safe and efficient operation. These valves control the flow of water by diverting excess pressure away from the pump when the trigger is released.
The primary function of unloader valves is to maintain consistent pressure and protect the pump by redirecting water flow when the spray gun is closed. Key components include the valve body, springs, and seals, which work together to regulate pressure accurately. Common signs of unloader valve issues include fluctuating pressure, water leaks, or the pump running continuously without stopping. Proper maintenance involves inspecting the valve for wear, cleaning internal parts to remove debris, and replacing seals or springs as needed to keep the valve operating smoothly.
WholeToolBox offers a broad selection of pressure washer unloader valves and kits, including complete unloaders, unloader kits, check/valve kits, pump unloader kits, and unloader assemblies from trusted brands such as Dewalt and Briggs & Stratton.

FAQs

How do I adjust a pressure washer unloader valve?

Turn the adjustment screw clockwise to increase pressure or counterclockwise to decrease it, while monitoring the pressure gauge.

What causes unloader valves to fail?

Wear and tear, debris, corrosion, or improper maintenance are common causes.

Is it normal for the unloader valve to make noise?

Some noise is normal during pressure release, but loud or unusual sounds may indicate a problem.

What is the purpose of a pressure washer unloader valve?

It regulates and redirects water flow to prevent damage by relieving excess pressure when the trigger is released.

How do I know if my pressure washer unloader valve is bad?

Signs include fluctuating pressure, water leaks, or the washer not shutting off pressure properly.

Can an unloader valve cause low pressure?

Yes, if it’s malfunctioning or improperly adjusted, it can cause low or inconsistent pressure.