-
Condition:
Factory New
-
Learn more:
-
MFR:
RPI
Ships from Manufacturer
- MPN: RPF225
- Phone: (800) 221-9723
+Free Shipping*
Shop with Confidence
Free Shipping
Free Returns
Sales Tax Exemption
+Dedicated Account Managers
Frequently asked questions
Is the material durable for plumbing?
Yes, these compression unions are manufactured from high-quality brass, ensuring reliable and long-lasting performance in both industrial and general plumbing applications.
Is the installation tool size standard?
Yes, the unit is designed for a 9/16-inch hex wrench, making it straightforward to install or service using standard, commonly available professional tools.
Do these unions feature precise threading?
They feature precise 1/2-24 straight threads, which are engineered to ensure a secure, leak-resistant connection specifically for 5/16-inch tubing.
Will this fit 5/16-inch tubing securely?
Absolutely. This union is specifically engineered to provide a tight, reliable seal for 5/16-inch Outer Diameter (OD) tubing, making it ideal for fluid or gas lines.
Do I get multiple units per order?
Yes, each purchase includes a package of five individual compression unions, ensuring you have enough components for multiple connections or sufficient spares for your shop.
Is this suitable for industrial plumbing needs?
Yes, this part is ideal for industrial and maintenance applications, offering the robust construction needed for professional plumbing tasks involving 5/16-inch lines.
Is this part part of a larger kit?
Yes, this component is also a key part of the comprehensive Compression Fitting Kit (RPI Part #RPK420), making it a reliable choice if you are expanding or replacing parts within that existing system.
Are these simple to integrate into existing systems?
They are designed for straightforward integration. As a standard compression fitting, they allow for quick and reliable connections in various shop aid and plumbing configurations.
Are these factory-new, high-quality components?
Yes, these are Factory New components, ensuring consistent quality, durability, and reliability for every connection you make.
Can these be used for both gas and fluid lines?
Yes, the solid brass construction and compression design make them highly suitable for a variety of fluid and gas line connections found in professional plumbing and shop maintenance.

RPI RPF225 Compression Union (5/16")