1/2 Inch Aluminum Unloader Block Three Way

The 1/2" Aluminum Three Way Unloader Block is a lightweight, durable mounting block designed to simplify installation and plumbing of pressure washer unloaders. Built from corrosion-resistant aluminum, this block provides a clean, direct flow path for high-pressure water systems, making it ideal for professional pressure washing rigs, mobile wash trailers, and custom equipment builds.

Key Features & Details 

• Three-Way Flow Design – Allows unrestricted water movement for smoother operation and reduced pressure drop.

• 1/2" Porting – Compatible with most 1/2" high-pressure plumbing used in commercial pressure washing systems.

• Durable Aluminum Body – Lightweight, corrosion-resistant, and strong enough for high-pressure use.

• Universal Mounting – Works with many common unloader valves, including block-mount configurations used on pumps and frames.

• Improves System Organization – Provides a clean plumbing layout and allows secure mounting of the unloader for easier servicing.

• Professional-Grade Component – Built for power washing rigs, skid builds, trailers, and contractor equipment.

Specifications

• Product Type: Unloader block

• Material: Aluminum

• Port Size: 1/2"

• Flow Design: Three Way

• Compatibility: Most block-mount unloaders and 1/2" pressure washing plumbing systems

• Applications: Pressure washer pump systems, skid builds, softwash/pressure wash hybrid rigs