ZH288 Blue Spring Unloader 1/2" NPT – Replacement Pressure Washer Unloader Valve

Listing Description

The ZH288 Blue Spring Unloader is a high-quality replacement unloader valve designed for professional pressure washing systems. Built for reliability and smooth system regulation, this unloader maintains consistent operating pressure and protects your pump from over-pressurization. Ideal for contractors and service technicians needing a dependable 1/2" NPT unloader compatible with a wide range of commercial pressure washer pumps.

Product Features & Details

• Model: ZH288 Blue Spring Unloader

• Inlet/Outlet Size: 1/2" NPT

• Application: Professional pressure washer systems

• Function: Regulates system pressure, prevents pump damage, and ensures smooth bypass operation

• Construction: Durable metal body with corrosion-resistant components

• Spring Type: Blue spring for stable pressure control

• Compatibility: Commonly used on gas-powered and electric commercial pressure washers

• Use Case: Ideal for replacement, repair, and system optimization

Benefits

• Maintains consistent PSI during operation

• Protects pump from dangerous pressure spikes

• Improves system longevity and performance

• Easy to install and service