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Graco 331297 Potentiometer Assembly with Insulation

$48.84
$53.25
Save 8%
In Stock
Part #: 331297

The Graco 331297 Potentiometer Assembly with Insulation is an OEM electrical control component designed to restore accurate pressure or motor speed adjustment in Graco airless paint sprayers.

  • OEM Graco replacement part
  • Controls pressure and speed settings
  • Insulated design for safe and stable operation
  • Helps fix erratic or unresponsive controls
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Genuine OEM Part Fast Shipping (Order by 1 PM CST) Easy Returns

Compatible Machines

The Graco 331297 Potentiometer Assembly with Insulation is used in multiple Graco airless paint sprayers that rely on a potentiometer-based pressure or speed control system.

  • Graco Ultra Max II 390
  • Graco Ultra Max II 490
  • Graco Ultra Max II 595
  • Graco Mark V
  • Graco Mark VII
  • Graco Mark X

Product Description

The Graco 331297 Potentiometer Assembly with Insulation is an OEM electrical control component designed to regulate variable electrical signals within Graco airless paint sprayers. It plays a key role in controlling pressure or motor speed by adjusting resistance in the control circuit.

The integrated insulation helps protect the potentiometer from electrical interference, heat, and vibration, ensuring stable performance and extended service life. This assembly is commonly replaced when pressure control becomes erratic or unresponsive.

Key Specifications

Part Number 331297
Product Type Potentiometer Assembly
Insulated Yes
Function Pressure / speed control regulation
Manufacturer Graco
OEM Part Yes

Key Benefits

  • Restores accurate pressure and speed control
  • OEM-quality fit and electrical compatibility
  • Insulated design for improved safety and durability
  • Reliable replacement for worn or damaged control components

Frequently Asked Questions

It regulates electrical resistance within the sprayer’s control system, allowing accurate adjustment of pressure or motor speed during operation.

Replacement is recommended if pressure settings fluctuate, controls respond inconsistently, or the sprayer fails to maintain selected pressure levels.

Yes, this is an OEM Graco replacement part designed to meet original factory specifications.

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