Comprehensive Overview of Graco 107128 Fitting, Tee Service
The Graco 107128 Fitting, Tee Service is an OEM-quality fluid-system tee adapter designed for service and maintenance points in high-pressure spray and coating equipment. It creates a three-way branch in fluid lines, facilitating efficient connection of gauges, bleed valves or instrumentation while maintaining full flow integrity in the main line.
Compatible Machines
- Graco GH-Series roof-rig spray systems where the 107128 tee is listed in the parts diagram as the service connection for fluid lines.
- Graco industrial spray and coating modules that require a service-tee fitting for system monitoring and maintenance access.
- Graco fluid-handling/manifold systems where a three-way service-tee fitting is specified for installation of instrumentation or control valves.
Key Features
- Three-way tee configuration enables a dedicated service branch without interrupting the main fluid line.
- OEM-certified design ensures compatibility with thread sizes, pressure ratings and materials used in Graco systems.
- Robust construction built for high-pressure coating, spray and fluid-transfer applications, maintaining sealing integrity under load.
- Service-friendly layout facilitates easier installation of gauges, bleed valves or service connections without major system modifications.
Technical Specifications
| Specification |
Details |
| Part Number |
107128 |
| Component Type |
Fitting, Tee – Service Branch |
| Typical Application |
Branching fluid lines for service instruments in Graco sprays/coating systems |
| Material |
Industrial-grade alloy/stainless compatible with high-pressure fluid service |
| OEM Compatibility |
Genuine Graco component for factory systems |
Installation & Maintenance Guidelines
- Drain and relieve system pressure before installing the tee fitting to avoid fluid ejection or injury.
- Ensure all port threads and sealing surfaces are clean and free from debris or damage.
- Apply appropriate thread sealant or tape to the correct ports if required by the equipment specification.
- Install the tee, branch service component (gauge, valve), and tighten to the correct torque specified by the manufacturer.
- Periodically inspect the branch connection for leaks or wear; replace the tee if any damage, corrosion or thread degradation is found.
Frequently Asked Questions
It provides a service branch in a fluid line system, allowing installation of instruments or maintenance valves without interrupting main fluid flow.
Review your equipment’s parts list or exploded view diagram. If “Fitting, Tee – Service – 107128” is listed for the fluid manifold or line, then this is the correct component.
While the port geometry may match other systems, this fitting is manufactured to Graco’s specifications for pressure rating, material and finish. Using outside OEM systems may reduce performance or warranty coverage.
Replace the fitting during major maintenance if you observe leaks, thread wear, corrosion or when adding/removing service instrumentation.
Installing the correct service-tee component — the Graco 107128 Fitting, Tee Service — helps maintain fluid-system integrity, supports safe instrumentation access and ensures reliable operation of your Graco spray or coating equipment.
