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Graco 104031 Tank Valve

Genuine Graco 104031 Valve, Tank for surge-tank assemblies—used to charge, isolate, or relieve the tank section. Verify fitment by matching the exact part number in your machine’s parts list.

  • OEM replacement: durable, correct sealing
  • Intended for surge-tank / tank assemblies
  • Confirmed on: 218509, 238983–238988, 220157, 24G388
  • Not typically used on consumer Magnum X-series sprayers
  • Match your exploded view before ordering

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Graco 104031 – Overview & Compatibility

Compatible Machines / Assemblies

The Graco 104031 Valve, Tank (also referenced as Valve, Charge, Tank) is confirmed for the following Graco surge-tank and tank assemblies. Always verify against your machine’s parts list before ordering.

  • 218509 – Surge Tank
  • 238983 – Surge Tank
  • 238984 – Surge Tank
  • 238985 – Surge Tank
  • 238986 – Surge Tank
  • 238987 – Surge Tank
  • 238988 – Surge Tank
  • 220157 – Surge Tank
  • 24G388 – Tank, 20-Gallon (Paint) Assembly

About This Part

The Graco 104031 is an OEM Valve, Tank used to charge, service, or isolate the tank section within Graco surge-tank/fluid-handling assemblies. Using genuine Graco components helps maintain proper sealing and system reliability.

Quick Specs

Part Number 104031
Official Name Valve, Tank (aka Valve, Charge, Tank)
Category Surge-tank / fluid-handling assembly component
Compatibility Type Listed for specific Surge Tank / Tank assemblies (see list above)
Typical Use Charge/relief/isolation function for the tank section during operation or maintenance
Fitment Guidance Confirm by matching your parts diagram; do not assume cross-fit to unrelated sprayers

Fitment Tips

  • Match the part number (104031) in your machine’s parts manual.
  • Verify the surge tank or tank assembly model (e.g., 218509, 24G388) on your equipment.
  • If your sprayer uses a different tank/valve design, this part may not apply.

Frequently Asked Questions

It serves as a charge/isolating valve on Graco surge-tank or tank assemblies, enabling safe charging, pressure relief, or isolation during maintenance.

Generally no. The 104031 is documented for surge-tank or tank assemblies, not typical consumer sprayers. Always confirm against your model’s exploded view before purchase.

Check your machine’s parts manual for the exact part number (104031) under the tank/surge-tank section. If the number appears, it’s a compatible match.

Yes. Graco 104031 is a genuine OEM Valve, Tank part.

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