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SharkBite U118LF Push-to-Connect MNPT Connector, 3/8" x 1/2"
The SharkBite U118LF is a push-to-connect transition fitting that joins 3/8" tubing to a 1/2" MNPT threaded connection, giving plumbers and contractors a fast, tool-free way to make a rough-in connection without soldering, clamps, or unions. This connector is built for behind-the-wall and under-floor plumbing work where a reliable mechanical joint is needed on tubing systems transitioning to threaded pipe, valves, or fixtures. It ships from the manufacturer in a package quantity of 6 each, making it a practical stock item for service trucks and rough-in kits where multiple connectors are used across a job.
Key Features
- Trade Size: 3/8" tubing connection transitions to a 1/2" MNPT threaded end, suited for common rough-in supply and fixture connections.
- Push-to-Connect Design: Push-fit connection method allows installation without soldering, clamps, or special crimp tools, speeding up rough-in and repair work.
- MNPT Threaded End: The 1/2" male national pipe thread end allows the connector to mate directly into female-threaded valves, fixtures, or fittings.
- Straight Connector Configuration: A straight in-line connector, useful for extending or transitioning a tubing run to threaded pipe without additional adapters.
- Packaged for the Trade: Supplied 6 each per package, a convenient quantity for stocking service vehicles or completing multi-fixture rough-in jobs.
Technical Specifications
- Connection Sizes: 3/8" x 1/2" MNPT
- Connection Type: Push-to-Connect x Male NPT
- Packaging: 6 each per pack
Typical Applications
- Residential and Commercial Rough-In Plumbing
- Transitioning Tubing Runs to Threaded Valves and Fixtures
- Repair and Retrofit Plumbing Work
- Service Truck Stock for Fast Field Connections
- New Construction Behind-the-Wall Supply Connections
Why SharkBite?
SharkBite push-to-connect fittings are designed to give plumbers and contractors a dependable, tool-free way to make connections in the field, cutting installation time compared to solder or clamp methods. The U118LF connector's straight push-to-connect x MNPT design and multi-pack packaging make it a practical choice for stocking rough-in kits and service vehicles where fast, repeatable connections between tubing and threaded fittings are needed.
Manufacturer Resources
Spec Sheet
Product Specs
- list_batch:
- SHK-20260923
- Product Type:
- Connector
- Connection Type:
- Push-to-Connect
- Department:
- Plumbing
- Product Subgroup:
- Fittings and Valves
- Product Size:
- 3/8" x 1/2"
- Product Group:
- Fitting
SharkBite U118LF – Frequently Asked Questions
1) What does the SharkBite U118LF connector actually connect, 3/8 inch tubing to what thread?
The U118LF is a straight transition fitting: a 3/8 inch push-to-connect end on one side and a 1/2 inch male NPT thread on the other. The threaded side screws straight into a female-threaded valve, fixture, or fitting, so you can take a 3/8 inch tubing run to threaded pipe without a separate adapter or union.
2) Do I need a crimp tool or torch to install a SharkBite U118LF?
No tools for the joint itself. The 3/8 inch side is push-fit, so it goes together without soldering, clamps, or a crimp tool. The only tool you'll want is a wrench for the 1/2 inch male NPT side, plus thread sealant appropriate to the female fitting you're threading into.
3) Will a 3/8 inch push-to-connect x 1/2 inch MNPT fitting work for a fixture supply stub-out?
That's a common use for it. The 1/2 inch MNPT end threads into female-threaded valves and fixture fittings, and the 3/8 inch push end picks up the tubing run, which matches typical rough-in supply and fixture connections behind the wall or under the floor. If your valve or fixture has a male thread instead of female, this one won't mate, you'd need a female-threaded adapter.
4) How many SharkBite U118LF connectors come in a pack?
They ship from the manufacturer six each per package. That's a practical count for a service truck or a multi-fixture rough-in where you're making the same tubing-to-thread transition at several points. If you only need one, be aware you're buying the six-pack.
5) Can I use the U118LF connector on a repair where I can't get a torch in?
Yes, that's where push-to-connect earns its keep. Because the 3/8 inch side is a mechanical push joint, there's no flame, no flux, and no need to get the line bone dry the way soldering demands. SharkBite lists repair and retrofit plumbing, plus behind-the-wall and under-floor work, among the uses for this connector.
6) What is the exact part number to order the SharkBite 3/8 inch x 1/2 inch MNPT push-fit connector?
Order it as SharkBite U118LF. That's the manufacturer part number for the 3/8 inch push-to-connect by 1/2 inch male NPT straight connector, supplied six per pack.
7) Is the SharkBite U118LF a straight fitting or an elbow?
Straight, in-line. It carries the run through on the same axis rather than turning it, so if you need to change direction at the threaded transition you'll want an elbow-style adapter and this isn't it.
How fast can I get the SharkBite U118LF delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
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 SharkBite U118LF come with a warranty?
Absolutely. The SharkBite U118LF 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 SharkBite U118LF?
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