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Graco 15C780 Dump Valve Handle

The Graco 15C780 Dump Valve Handle allows controlled operation of the dump or drain valve on Graco sprayers, enabling safe fluid release and maintenance.

  • Manual lever handle for dump valves
  • Controls fluid release safely
  • Durable for frequent use
  • OEM Graco replacement part

$8.82
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Graco 15C780 Dump Valve Handle – Overview

Compatible Machines

  • Graco 3400 LineLazer line-marking machines
  • Graco 695, 795, 1095 airless sprayers (older models)
  • Graco GH130, GH200, GH230, GH300 sprayers (mid‑2000s)

Product Description

The Graco 15C780 Dump Valve Handle is a replacement handle used to operate the dump (or drain) valve on Graco sprayer systems, allowing controlled release of fluid for maintenance or pressure relief. It’s built for durability and frequent use in high-pressure environments.

Part Specifications

Part Number 15C780
Part Name Dump Valve Handle / Prime Valve Handle
Drive Type Manual lever handle
Application Connects to Graco drain or dump valves for fluid release

Frequently Asked Questions

It allows manual operation of the dump/drain valve so you can release fluid or relieve pressure when needed.

Yes — this is a genuine OEM Graco dump valve handle, part number 15C780.

It installs on the dump valve stem, usually using a grooved pin (e.g., part 15C972) to secure it.

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