UDOR UB351 Unloader Valve – 8 GPM, 5000 PSI Pressure Washer Regulator

Keep your pressure washer operating safely and efficiently with the UDOR UB351 Unloader Valve. Designed for demanding commercial and industrial cleaning applications, this heavy-duty unloader regulates system pressure while diverting water flow when the spray gun is released. This helps protect your pump from damaging pressure spikes and extends the service life of your equipment.

Built for systems producing up to 8 GPM and 5,000 PSI, the UDOR UB351 is an excellent replacement for worn or damaged unloaders on compatible pressure washer systems. Its durable construction provides dependable performance in high-pressure environments where consistent operation is essential.

Benefits

Replacing a worn unloader valve restores proper pressure regulation, improves equipment performance, and helps reduce unnecessary wear on your pressure washer pump. The UDOR UB351 is engineered to maintain stable operating pressure while safely bypassing water during trigger release, minimizing heat buildup and extending pump life.

Applications

The UDOR UB351 is ideal for:

• Professional pressure washing
• Commercial cleaning equipment
• Industrial wash systems
• Fleet washing
• Agricultural equipment cleaning
• Manufacturing facilities
• Heavy-duty pressure washer installations

Why Choose the UDOR UB351?

When maintaining a high-performance pressure washer, using quality replacement components is critical. The UDOR UB351 delivers dependable pressure control, helps safeguard expensive pump components, and supports consistent cleaning performance under demanding operating conditions.

Whether you're servicing an existing pressure washer or replacing a failed unloader valve, the UDOR UB351 provides the durability and performance professionals expect.

Need help confirming compatibility? Contact our technical support team before ordering to ensure the UDOR UB351 is the correct replacement for your pressure washer system.