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1/2 IN CTS x 1/2 IN NPS Quick Connect Female Connector
Manufacturer Resources
Product Specs
- Brass Insert:
- No
- Country Of Origin:
- United States
- Fitting Name:
- Connector
- Inlet Connection Size:
- 1/2 IN; 15 MM
- Inlet Connection Type:
- Quick Connect
- Inlet Material:
- Polysulfone
- Maximum Working Pressure:
- 250
- Maximum Working Temperature:
- 82.0°C; 180°F
- Minimum Temperature:
- 75°F; 24.0°C
- O Ring Material:
- EPDM
- Outer Diameter:
- 1 1/8 IN
- Outlet Connection Size:
- 1/2 IN; 15 MM
- Outlet Connection Type:
- Female Threaded
- Outlet Material:
- Polysulfone
- Outlet Thread Type:
- NPSI
- Series:
- 3510B
- Suitable For Gas Service:
- No
- Department:
- Plumbing
- Product Group:
- Plumbing
- Product Subgroup:
- Valves
- Product Type:
- General Valve
- Product Finish:
- Polysulfone
- Product Material:
- Polysulfone
Watts 650104 – Frequently Asked Questions
1) What pipe can the Watts 0650104 quick connect female connector be pushed onto?
The inlet is a 1/2 inch (15 mm) quick connect push fit, so it goes onto 1/2 inch CTS tubing. The body is polysulfone with an EPDM O-ring doing the seal, so the tube end needs to be cut clean and square and fully inserted past the O-ring to seal.
2) Is the threaded end on the Watts 650104 connector a tapered NPT or a straight thread?
It is a straight thread, not tapered. The outlet is 1/2 inch female NPSI, which means it seats against a gasket or a mating straight male thread rather than sealing on tapered thread engagement. Forcing a tapered 1/2 inch NPT male into it, or over-tightening with pipe dope, can split a plastic straight-thread port.
3) Can I use this push fit connector on a hot water line?
Yes, up to 180 F (82 C) maximum working temperature, with a maximum working pressure of 250. That covers normal domestic hot water. It is not for steam or for any line that can exceed 180 F.
4) Is the Watts 0650104 connector approved for gas?
No. It is a water-service fitting only and is not suitable for gas service. For a gas line you need a fitting rated and listed for fuel gas, not a polysulfone push connector.
5) Is this a brass fitting or all plastic?
All plastic. Inlet, outlet, and body are polysulfone with no brass insert in the threaded port, and the only elastomer is the EPDM O-ring. If your spec calls for a metal thread at the connection, or the port will see repeated make and break with a wrench, pick a fitting with a brass insert instead.
6) How much clearance do I need behind a fixture for this quick connect connector?
Plan around a 1-1/8 inch outer diameter on the fitting body. In tight stop valve or supply-line pockets that is the number that decides whether the collet is reachable to release the tube.
7) What does the Watts 3510B series 650104 connector actually do in a supply run?
It transitions 1/2 inch CTS tube to a 1/2 inch female threaded port, so you can push the tubing on one end and thread a male fitting, stop, or appliance connector into the other. No soldering, no crimp tool, and no clamp rings.
8) Is the Watts 650104 made in the USA for a buy-American job?
Country of origin is the United States. That is the fitting's stated origin if your project paperwork asks for it.
How fast can I get the Watts 650104 delivered?
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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 Watts 650104 come with a warranty?
Absolutely. The Watts 650104 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Watts 650104?
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