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Graco 866141 Gauge Assembly 1/4 In NPT

$69.47
$75.75
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Part #: 866141

The Graco 866141 Gauge Assembly provides accurate pressure readings for airless sprayers and fluid systems with a 1/4″ NPT port. Essential for safe and precise operation.

  • Thread Size: 1/4″ NPT
  • Function: Pressure indicator gauge
  • Application: Fluid regulators and manifolds
  • Part Number: 866141
  • Use: Airless sprayers & fluid systems
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Overview of Graco 866141 1/4″ NPT Gauge Assembly

The Graco 866141 Gauge Assy, 1/4″ NPT is a threaded pressure gauge designed to mount on fluid regulators or manifolds with a 1/4″ NPT port. It provides reliable pressure indication for airless sprayers, finish regulators, and fluid handling circuits.


Compatible Machines

This gauge is commonly used on Graco finishing and fluid handling equipment that require a bottom‑mount or panel‑mount pressure gauge with a 1/4″ NPT connection:

  • Graco Airless Paint Sprayers that include a 1/4″ NPT gauge port on the fluid regulator or control block.
  • Pressure Regulators & Manifolds on finishing rigs — where a 1/4″ NPT gauge is specified.
  • Fluid Circulation & Pump Systems with 1/4″ NPT gauge ports rated for fluid or system pressure.

Technical Specifications

Part Number 866141
Thread Size 1/4″ NPT
Function Pressure indicator gauge
Application Fluid/air pressure reading in spray systems

Frequently Asked Questions

It provides a visual pressure indication on fluid regulators or manifolds in airless spray and fluid handling systems with a 1/4″ NPT gauge port.

It fits systems that have a 1/4″ NPT gauge port. Always check your parts diagram for matching thread size, mount type, and pressure range before ordering.

Yes. Use thread tape or appropriate sealant on the 1/4″ NPT threads to ensure a leak‑free fit.

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