Giant Pumps Adjustable Pressure Relief Valve – 3/8" MPT, 3600–5000 PSI

Giant Pumps Adjustable Pressure Relief Valve – 3/8" MPT, 3600–5000 PSI

Protect your pressure washer pump and high-pressure plumbing from excessive system pressure with this Giant Pumps Adjustable Pressure Relief Valve. Featuring a 3/8" Male NPT connection, this heavy-duty safety valve is adjustable from 3600 to 5000 PSI and handles flow rates up to 10 GPM.

Made in the USA and designed for demanding commercial pressure washer applications, this blue spring pressure relief valve provides an important secondary level of protection against potentially damaging pressure spikes.

Specifications:

• Brand: Giant Pumps

• Product: Adjustable Pressure Relief Valve

• Spring: Blue

• Connection: 3/8" Male NPT

• Adjustment Range: 3600–5000 PSI

• Maximum Pressure: 5000 PSI

• Maximum Flow: 10 GPM

• Maximum Temperature: 150°F

• Adjustable: Yes

• Made in USA: Yes

Applications:

• Commercial pressure washers

• Hot water pressure washers

• Cold water pressure washers

• High-pressure pump systems

• Industrial cleaning equipment

• Pressure washer safety and bypass plumbing

Features:

• Adjustable from 3600 to 5000 PSI

• Handles flow rates up to 10 GPM

• Heavy-duty 5000 PSI maximum pressure rating

• 3/8" Male NPT connection

• Maximum operating temperature of 150°F

• Blue spring configuration

• Helps protect pumps and high-pressure components from excessive pressure

• Made in the USA

• Built for demanding commercial applications

What it does:

A pressure relief valve provides protection against excessive pressure within the pressure washer system. If system pressure rises beyond the valve's preset adjustment, the valve opens to relieve pressure and help protect the pump, hose, fittings, and other high-pressure components.

Pressure Relief Valve vs. Unloader:

A pressure relief valve should not be confused with the pressure washer unloader valve. The unloader controls normal system pressure and bypass operation, while the pressure relief valve serves as an additional safety device if pressure becomes excessive.

Why it matters:

Excessive system pressure can contribute to:

• Burst high-pressure hoses

• Damaged fittings and valves

• Pump damage

• Seal and packing failure

• Equipment downtime

• Unsafe operating conditions

A properly selected and adjusted pressure relief valve provides an additional layer of protection for both the equipment and operator.

The Giant Pumps Blue Spring Pressure Relief Valve is an excellent choice for commercial pressure washer systems requiring 3/8" MPT, up to 10 GPM, and an adjustable 3600–5000 PSI pressure range.

Not sure which pressure range or relief valve is right for your pressure washer? Reach out—we'll help you get the correct part the first time.