Graco 15D306 Texture Hopper Adapter Plug

Graco 15D306 Texture Hopper Adapter Plug

The Graco 15D306 Texture Hopper Adapter Plug is a critical component designed to seal off the hopper’s air or material port when not in use. This ensures safe operation by maintaining proper pressure balance and preventing accidental over-pressurization or leaks.

Key Features

• OEM plug tailored for Graco texture hoppers
• Helps maintain an airtight seal for pressure safety
• Compact adapter design for easy installation and removal
• Durable construction withstands harsh job‑site conditions

Function & Purpose

The adapter plug secures the hopper’s air-relief or filling point, acting as a safeguard against over-pressurization. When the hopper is pressurized, it helps maintain consistent airflow while preventing material from escaping. During transport or storage, it ensures that no material leaks from the hopper’s opening.

Technical Specifications

Applications & Compatibility

This plug is used in Graco texture hopper systems, as shown in parts diagrams of Graco pump modules. It’s referenced in the Graco repair parts list, indicating its role in maintaining the pressure integrity of the hopper. 

• Fits Graco texture hoppers used with spray systems that require a pressure‑sealing plug
• Used in maintenance or repair kits to replace worn or lost hopper plugs 

Installation & Maintenance

• Always depressurize the hopper before removing or installing the plug
• Inspect the sealing face for wear or damage during routine maintenance
• Clean threading and sealing surfaces before reinstallation to maintain tight fit
• Replace if the plug becomes deformed, cracked, or loses sealing integrity

Frequently Asked Questions