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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: RPF223
- Phone: (800) 221-9723
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Frequently asked questions
Is this fitting built to last?
Yes, it is constructed from durable brass. This material is specifically chosen for its superior corrosion resistance and long-term reliability in plumbing applications.
What size tubing does this fit?
This union is precision-engineered to fit 3/16-inch Outer Diameter (OD) tubing, ensuring a secure and accurate connection.
Are the threads standard for these connections?
Yes, this fitting features 3/8-24 straight threads, which allows for a reliable and standard mechanical connection to your ports.
How many fittings are included in the package?
Each purchase includes a convenient package of 5 units, which is ideal for handling multiple repairs or larger installation projects.
Is this part included in a larger kit?
Yes, this item is a key component of the RPI Compression Fitting Kit (Part #RPK420). It is available as a standalone purchase if you only need the union fittings.
What tool size is required for installation?
These fittings have a 7/16-inch hex size, so you will need a 7/16-inch wrench or tool to securely tighten them during installation.
Can this be used for general plumbing maintenance?
Absolutely. It is categorized under General Shop Aids and is specifically designed for secure connections in various plumbing systems utilizing 3/16-inch tubing.
Is this part guaranteed to be new?
Yes, all RPI RPF223 Compression Unions are factory new components, ensuring you receive a high-quality, unused part for your equipment needs.
Is this a versatile plumbing component?
Yes, its combination of durable brass construction and standardized 3/8-24 threads makes it a reliable choice for a wide range of shop maintenance tasks.
Can I use this for different tubing sizes?
This fitting is strictly intended for use with 3/16-inch OD tubing. Please ensure your tubing matches these dimensions to achieve a proper, leak-free compression seal.

RPI RPF223 Compression Union (3/16")