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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: RPF224
- Phone: (800) 221-9723
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Frequently asked questions
Is this made from durable brass?
Yes, this compression union is constructed entirely from high-quality brass. This ensures long-term durability and reliable performance, even when used in demanding shop or maintenance environments.
Is this compatible with 1/4 inch tubing?
Absolutely. This union is precisely engineered to fit tubing with a 1/4” Outer Diameter (OD), making it a standard choice for fluid lines and mechanical systems.
What thread specification does this union feature?
This component features 7/16-24 straight threads. These are designed to ensure a secure and precise mechanical connection for your plumbing setup.
Can I use standard tools for installation?
Yes, the fitting is designed for ease of use. It features a hexagonal head with a 1/2” size, which allows you to tighten it securely using standard tools already in your kit.
How many units are included per package?
Each order you place includes a convenient package of 5 individual units, ensuring you have enough fittings on hand for your repairs or multiple connection points.
Is this part of a larger fitting kit?
Yes, it is. This specific union is a verified component of the RPI Compression Fitting Kit (Part #RPK420), making it a great choice if you are looking to restock or expand your existing kit.
Is it suitable for lab equipment repairs?
Yes, it is an excellent choice for a variety of professional applications, including:
- General plumbing repairs
- Fluid line connections
- Laboratory equipment maintenance requiring 1/4” OD tubing.
Does it offer reliable mechanical performance?
The RPF224 is a factory-new component designed for consistent performance. By utilizing a standard compression mechanism and durable brass material, it is built to maintain a secure connection in general shop aid applications.
Is it designed for professional shop environments?
Yes, the design is focused on professional needs. Its rugged brass construction and standard sizing make it perfectly suited for busy shop environments that require reliable, long-lasting maintenance components.
Why choose this specific compression union?
This union stands out due to its:
- Precision Engineering: Perfectly sized for 1/4” applications.
- Standardized Compatibility: Uses widely accepted 7/16-24 threads.
- Convenient Value: Sold in a 5-pack for multiple project needs.

RPI RPF224 Compression Union (1/4")