Graco 16H461 Pressure Relief Valve Kit

Graco 16H461 Pressure Relief Valve Kit

Compatible Machines

This Graco 16H461 Pressure Relief Valve Kit fits machines that use the fine-finish adjustable prime/spray valve system.

• Models using Fine-Finish Adjustable Prime/Spray Valve assembly
• Sprayers requiring prime valve retainer protrusion specification of approx. 0.175 inch
• Machines originally equipped with valve kit versions matching 16H461
• Units interchangeable with kit version 16H119 depending on revision

Product Overview

The Graco 16H461 Pressure Relief Valve Kit is an OEM replacement designed to restore proper priming and pressure-relief performance. It maintains system safety by releasing internal pressure before servicing or cleaning. This kit includes the components required to replace worn or leaking valve elements and ensure stable prime/spray operation.

Features

• OEM pressure relief/prime valve replacement
• Ensures correct system depressurization during priming and servicing
• Matches factory thread, housing, and valve-retainer specifications
• Supports smooth switching between prime and spray modes

Installation Notes

• Always perform the pressure-relief procedure before servicing
• Remove old valve using a 13/16 inch deep socket
• Apply thread sealant to valve housing before installation
• Confirm valve-retainer protrusion of approximately 0.175 inch after tightening

Frequently Asked Questions