Graco 100403 Plug Pipe 1/8-27 Nptf

Replace and Seal: Graco 100403 1/8-27 NPTF Pipe Plug

The Graco 100403 Plug Pipe 1/8-27 NPTF is engineered to deliver reliable sealing and hassle-free maintenance for airless sprayer systems, ensuring optimal performance in demanding painting and coating environments. Crafted from durable, corrosion-resistant materials, this precision-threaded plug fits seamlessly with industry-standard fluid paths, providing leak-free connections for professional setups. Whether you’re upgrading components in a graco paint sprayer or fine-tuning your texture sprayer, the 100403 plug supports high-pressure filtration and integrates effortlessly with accessories designed for professional coatings. Its robust design minimizes downtime, simplifies system purging, and helps maintain consistent flow rates under varying pressures. Ideal for contractors and maintenance teams focused on maximizing equipment longevity and efficiency, this pipe plug represents an essential part of any high-performance finishing toolkit. Backed by Graco’s rigorous quality standards, this small but crucial component streamlines fluid management, enhances job site reliability, and reduces unplanned service events. Designed to work seamlessly with Graco Industrial and FAMX systems.

1/8-27 NPTF threading for secure connections
Corrosion-resistant construction for long-term reliability
Simplifies maintenance and system purging

$12.26

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Description

Graco 100403 Pipe Plug – Leak-Proof Seal for High-Pressure Sprayer Ports

The Graco 100403 Pipe Plug is a precision-engineered, 1/8-27 NPTF plug designed to deliver reliable sealing in Graco airless sprayer systems. Crafted from corrosion-resistant stainless steel with a high-strength finish, this compact plug fits manifold openings, pump ports, and filter housings perfect for system isolation and maintenance tasks.

Where It Fits & What It’s Used For

Installed in unused ports or access points on high-pressure manifolds, pump bodies, regulator blocks, and filter heads.
Essential for temporarily or permanently sealing ports during system flushing, servicing, or configuration changes.

Key Features & Benefits

1/8-27 NPTF threading ensures a metal-to-metal, leak-free seal that withstands pressures above 3,000 psi.
Compact hex-head offers streamlined clearance and quick installation using standard wrenches.
Stainless steel construction with corrosion-resistant plating delivers long service life in harsh coating environments.
Minimal turbulence and pressure drop maintains flow consistency when used alongside hose and filtration components.

Why It’s a Must-Have for Professionals

In demanding spray setups whether installing a graco tip guard, swapping filter cartridges, or plumbing accessory ports the 100403 plug ensures system integrity without risking leaks, flow disruption, or premature wear on seals.

Installation & Maintenance Best Practices

Ensure threads are clean before insertion; use minimal thread sealant if required by the application.
Tighten to recommended torque to seat the plug securely without damaging NPTF threads.
Inspect for signs of corrosion, wear, or looseness during each service interval.
Pair with graco filters and strainers upstream to reduce contamination and prolong plug lifespan.

Wrap-Up

The Graco 100403 Pipe Plug may be small, but it plays a key role in maintaining fluid control and system efficiency. Whether isolating ports for maintenance or customizing your spray setup with accessories, this plug provides dependable performance under pressure.

Looking for reliable graco sprayer accessories, from graco tip guard mounts to graco filters and strainers and more? Explore the complete selection at SprayersAndParts.com.