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NIBCO press fittings are the fastest, easiest way to join copper tubing systems. NIBCO® Press System® fittings are designed to join with seamless copper water tube in residential and commercial potable, hot, chilled and process water applications for plumbing and HVAC systems. The press fittings can also be installed underground. The NIBCO® Press System® is user friendly, quick and easy to install. When properly crimped a unique "N" witness mark is clearly visible. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. NIBCO® Press System® applies the proven performance of press technology to NIBCO valves and fittings – the most specified flow control products in the industry. The NIBCO® Press System® features a full range of precision engineered copper and copper alloy fittings, commercial valves, accessories, pressing tools, jaws and chains. In addition to its inherent qualities of beauty, durability and low maintenance, copper's reusability makes it an ideal application in sustainable projects. NIBCO® Press System® copper fittings are backed by a 50-year limited warranty. Because of its longstanding reputation for innovation and precision in design and manufacturing, NIBCO is the preferred brand in the industry.
Press System Installation Instructions
- Operating pressure 200 psi cwp
- Temperature range -20-DegreeF to 250-DegreeF
- Lead-free*
- Dezincification resistant
- ASTM B75 Alloy C12200 Copper
- Complies with ASME B16/51 Performance
- Third party certified to UPC
- Third party certified to the performance requirements of CSA MSE 13 and PS-117
Press System Installation Instructions
Manufacturer Resources
Product Specs
- All Application(s):
- Lead-Free
- All Basic Material:
- Copper
- Classification:
- Press Adapters
- End Connection:
- Solder
- Product Group:
- Fitting
- Product Type:
- Press Adapters
- System Use:
- Automatic Sprinkler Systems, Commercial Plumbing, Heating, HVAC, Irrigation, Lead Free*, Residential Plumbing
- Type of Adapter:
- Threaded;Straight Size;Fitting / Street
- Product Subgroup:
- Adapter
- Department:
- Plumbing
Nibco 9028755PC – Frequently Asked Questions
1) What does FTG x F mean on the Nibco PC603-2 extended adapter?
FTG x F describes the two ends. The FTG (fitting/street) end is sized to slip into the socket of another copper fitting, and the F end is a female solder socket that accepts copper tube. So the PC603-2 lets you come straight out of a fitting and continue into a soldered joint without adding a stub of tube. Both ends are solder-style connections, not press, despite the press-system family it belongs to.
2) Is the Nibco PC603-2 adapter approved for potable drinking water lines?
Yes. The PC603-2 is a lead-free wrot copper adapter and is third party certified to UPC, and to the performance requirements of CSA MSE 13 and PS-117. It is used in residential and commercial potable water plumbing as well as heating, HVAC, irrigation and automatic sprinkler systems.
3) Do I need a press tool for the Nibco PC603-2, or do I solder it?
You solder it. Both ends of the PC603-2 are solder connections, so it is brazed or sweated like any wrot copper fitting. No jaw or press tool is used on this adapter. It is sold within the Nibco press fitting family, but that is the system it feeds, not how this piece joins.
4) What pipe sizes does the Nibco PC603-2 copper extended adapter come in?
Six sizes: 1/2, 3/4, 1, 1-1/4, 1-1/2 and 2 inch. Order by nominal copper tube size, matching the tube the female end receives. Part numbers run 9028305PC (1/2), 9028555PC (3/4), 9028755PC (1), 9029010PC (1-1/4), 9029155PC (1-1/2) and 9029305PC (2).
5) What pressure and temperature can a Nibco copper press system adapter handle?
200 psi cold working pressure, over a temperature range of -20 F to 250 F. That covers domestic hot and cold water, chilled water and hydronic heating loops. The body is ASTM B75 alloy C12200 copper and is dezincification resistant.
6) When should I use an extended street adapter instead of a regular copper coupling?
Use the extended FTG x F adapter when the next connection point is a fitting socket rather than a length of tube. A standard coupling gives you two female sockets and still needs a piece of tube between fittings; the PC603-2 replaces that stub, since its street end drops directly into the adjacent fitting and its female end takes the tube. In tight mechanical rooms or close-coupled valve groups, that is one joint fewer to solder and less space to find.
7) Will the Nibco PC603-2 work on a fire sprinkler or HVAC chilled water system, not just domestic water?
It is listed for automatic sprinkler systems, commercial and residential plumbing, heating, HVAC and irrigation. The -20 F to 250 F range covers chilled water and hydronic heating alike. It also complies with ASME B16.51 performance, which is the press copper fitting standard engineers write into mechanical specs.
8) Can Nibco copper press fittings be installed underground or buried?
Nibco Press System fittings are rated for underground installation, which matters on irrigation runs and buried service lines. The copper alloy is dezincification resistant, and when a press joint is properly crimped an "N" witness mark shows on the fitting so an inspector can confirm the joint was pressed.
How fast can I get the Nibco 9028755PC delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Nibco 9028755PC come with a warranty?
Absolutely. The Nibco 9028755PC is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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