Graco 15D869 Drain Valve Housing

Graco 15D869 Drain Valve Housing – Comprehensive Overview

Compatible Machines

• Graco sprayer systems with drain valve assemblies where part number 15D869 (“Housing, Valve, Drain”) is specified in the parts list. 

Product Description

The Graco 15D869 Drain Valve Housing is the structural component that houses the drain‑valve mechanism in Graco spray equipment. It provides a durable mounting point, ensures proper alignment of the valve components, and secures the seal between the housing and fluid path. Proper function of this housing is essential to maintain reliable drainage, safe shutdown, and maintenance operations.

Key Features & Specifications

Why It Matters

• A properly functioning drain valve housing ensures the valve can open and close reliably, facilitating fluid drainage and equipment maintenance.
• Damage, cracks or misalignment in the housing may lead to leaks, improper drainage, or maintenance difficulties.
• Using the correct OEM housing helps maintain system integrity, safety, and longevity of the valve assembly.

Installation & Maintenance Tips

• Depressurize the system and relieve residual fluid pressure before installing or servicing the drain valve housing.
• Clean mounting surfaces and check bolt threads for damage; install the housing per machine service instructions and torque fasteners as directed.
• Inspect the housing during routine maintenance for signs of wear, corrosion, or deformation — replace if any issue is found.
• Always use the genuine Graco 15D869 housing when replacing — mismatched housings may affect alignment or sealing and can compromise performance.

Frequently Asked Questions