1/2 Inch Aluminum Unloader Block Top Load

The 1/2" Aluminum Top Load Unloader Block is a high-quality mounting and flow-management component designed for professional pressure washing systems. Its top-load configuration allows the unloader valve to be mounted vertically, simplifying plumbing layouts and improving accessibility during service. Constructed from corrosion-resistant aluminum, this block is ideal for custom rigs, commercial skids, trailer builds, and high-pressure applications.

Key Features & Details 

• Top-Load Design – Positions the unloader vertically for easier installation, cleaner routing, and improved service access.

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

• Durable Aluminum Body – Lightweight, corrosion-resistant, and built for long-term reliability in harsh environments.

• Improved System Efficiency – Provides secure mounting and organized hose routing, reducing strain and wear on components.

• Universal Compatibility – Works with most standard block-mount unloaders used on pumps and pressure washer frames.

• Professional Rig Component – Ideal for pressure washer builds, softwash/pressure hybrid systems, and mobile wash units.

Specifications

• Product Type: Unloader mounting block

• Material: Aluminum

• Port Size: 1/2"

• Configuration: Top Load

• Compatibility: Most block-mount unloaders and 1/2" pressure washer plumbing setups

• Applications: Pressure washer systems, skids, trailers, equipment mounting, and plumbing organization