Giant 22913A Multi-Gun Unloader Valve 13 GPM 3500 PSI with Orange Spring – OEM Replacement Part

Part Number: 22913A
Category: Pressure Washer Components → Unloader Valves → Giant Pump Parts
Type: Giant Multi-Gun Unloader Valve with Orange Spring

The Giant 22913A Multi-Gun Unloader Valve is a genuine OEM pressure-actuated unloader designed for commercial and industrial pressure washer systems operating with multiple spray guns. Engineered for durability and consistent pressure regulation, this unloader valve helps maintain system performance while safely redirecting water flow when one or more guns are released.

Key Features & Benefits

• Genuine Giant Pumps OEM Replacement Part
• Pressure-actuated unloader valve design
• Ideal for multi-gun pressure washer systems
• Supports up to 13 GPM flow capacity
• Rated for pressures up to 3500 PSI
• Corrosion- and erosion-resistant construction
• Side ports allow installation of gauges, switches, or pop-off valves
• Provides smooth pressure regulation and bypass control
• Helps protect pumps from excessive pressure buildup
• Designed for commercial and industrial applications

Technical Specifications

Manufacturer: Giant Pumps

Part Number: 22913A

Product Type: Multi-Gun Unloader Valve

Spring Color: Orange

Maximum Pressure: 3500 PSI

Maximum Flow Rate: 13 GPM

Maximum Temperature: 160°F

Inlet Connection: 1/2" FPT

Outlet Connection: 1/2" FPT

Bypass Connection: 1/2" FPT

OEM Replacement: Yes

Weight: 2.75 lbs

Repair Kits Available: #3527 and #3740

Applications

• Multi-gun pressure washer systems
• Commercial pressure washing equipment
• Industrial cleaning systems
• Fleet washing operations
• Agricultural cleaning equipment
• Equipment wash bays
• Manufacturing facility cleaning systems
• Custom pressure washer builds

Performance Advantages

• Maintains consistent operating pressure
• Supports simultaneous multi-gun operation
• Protects pumps from pressure spikes and dead-heading
• Improves system reliability and safety
• Corrosion-resistant materials extend service life
• Side ports simplify accessory installation
• Smooth bypass operation reduces system wear
• OEM-quality construction ensures dependable performance
• Ideal for demanding commercial and industrial environments

Compatible Repair Kits

The Giant 22913A Multi-Gun Unloader Valve can be serviced using:

• Giant Repair Kit #3527
• Giant Repair Kit #3740

Always verify repair kit compatibility before ordering replacement components.