V.B 85/310 Unloader Valve for Pressure Washer Pump w/ Knob

ABKW-V.B 85/310 Unloader Valve for Pressure Washer Pump with Knob

Keep your pressure washer running at peak efficiency with this heavy-duty V.B 85/310 Unloader Valve. Engineered for high-flow, high-pressure applications, this upgraded replacement valve features a precision adjustment knob for accurate control of fluid pressure and flow — protecting your equipment and maximizing cleaning performance.

Key Specifications

• Model: V.B 85/310 (replaces VB 85, VB 310, YU21405, VRT100, Cat 7542)
• Inlet/Outlet/Connections: 1/2" NPT
• Maximum Pressure: 5,075 PSI
• Maximum Flow Rate: 26.4 GPM (100 L/min)
• Maximum Temperature: 194°F (90°C)
• Material: Premium brass and rugged steel construction
• Package Contents: 1× V.B 85/310 Unloader Valve Kit

Why Choose This Unloader Valve?

• Broad Compatibility: Designed to fit a wide range of high-pressure washer pumps, including PA, AR, Comet, Cat Pump, BE, and General Pump models. A seamless drop-in replacement for multiple valve part numbers.
• Built for Durability: Crafted from premium brass and rugged steel, this valve resists wear, corrosion, and extreme pressure conditions for long-lasting, reliable operation — even in the most demanding environments.
• Exceptional Flow Performance: High-flow design ensures smooth, stable operation under intense pressure. The precise knob adjustment mechanism gives you accurate control over fluid pressure and flow rates.
• Equipment Protection: Regulates system pressure to safeguard your pump and downstream components, improving operational safety and extending equipment life.
• Easy Installation: Standard 1/2" NPT threading makes installation straightforward, reducing downtime and getting you back to work quickly.

Compatibility

This unloader valve is compatible with a broad range of pressure washer pump brands and models, including:

• PA Pumps
• AR (Annovi Reverberi) Pumps
• Comet Pumps
• Cat Pump (replaces Cat 7542)
• BE Pumps
• General Pump
• VRT100 and equivalent models

Important Notes

Only the listed package content is included; no other products or accessories are bundled. Slight color variation may occur due to display settings and lighting. Measurement tolerance: ±1–3 cm.

Made in Mainland China.

For guidance on safe operation and maintenance of pressure washing equipment, refer to the U.S. Consumer Product Safety Commission (CPSC) for product safety standards and best practices.

Frequently Asked Questions

Q: What pressure washer pump brands is the V.B 85/310 unloader valve compatible with?

A: This unloader valve is engineered to fit a wide range of high-pressure washer pumps, including PA, AR (Annovi Reverberi), Comet, Cat Pump, BE, and General Pump models. It is also a direct replacement for V.B 85, V.B 310, YU21405, VRT100, and Cat 7542 unloader valves.

Q: What is the maximum pressure and flow rate this unloader valve can handle?

A: The ABKW-V.B 85/310 unloader valve is rated for a maximum pressure of 5,075 PSI and a maximum flow rate of 26.4 GPM (100 L/min), making it suitable for demanding commercial and residential pressure washing applications.

Q: What connection size does this unloader valve use?

A: This valve features standard 1/2" NPT threading for the inlet, outlet, and connections, allowing for straightforward installation on compatible pressure washer pumps.

Q: What materials is this unloader valve made from?

A: The valve is constructed from premium brass and rugged steel, providing excellent resistance to wear, corrosion, and high-pressure conditions for long-lasting, dependable performance.