COUPLINGS

COUPLINGS is rated 4.7 out of 5 by 85.
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Information

The SharkBite straight coupling is the easiest plumbing fitting to join any combination of Copper, PEX, CPVC, PE-RT or SRD9 HDPE pipe together. With no soldering, clamps, unions or glue required, it’s as simple as inserting the pipe into the fitting deep enough to be sealed by our specially-formulated O-ring. Once inserted, the stainless steel teeth bite down and grip the pipe. This push-to-connect fitting is designed for potable water and radiant heating (including underground or behind-the-wall) applications with no access panels required. It is rated up to 200°F and 200 psi.

Approvals

ASSE 1061

CSA B125.3

NSF 372

NSF/ANSI 61

SizesPart #
1/4" (3/8" OD) X 1/4" (3/8" OD)
U004LF
3/8" (1/2" OD) X 3/8" (1/2" OD)
U006LF
1/2" X 1/2"
U008LF
3/4" X 3/4"
U016LF
1" X 1"
U020LF

Reviews

Rated 5 out of 5 by from Hot water lines--no problem! I bought a pair of the 18" braided stainless lines w/shut-off valves to connect a new hot water heater. I was extremely skeptical at first. Surely anything that said "push on and walk away" was too good to be true. I pushed them on and walked away. Never saw even a hit of a leak. I am completely sold. You will want a simple copper pipe cutter (I got the compact one from Ridgid for ~$12). It gives you a nice, even squared up opening to push the connector on. Still cheaper than a torch, flux, solder, more copper pipe (which you'll still need the cutter for). If it leaks when you put it on, it's not installed correctly. But it's hard to mess these up.
Date published: 2015-12-17
Rated 5 out of 5 by from excellent product I got my house last fall, was the first house I ever owned with city water, the plumbing was all blown apart, I thought id try these out, used a combination of pex and copper with the shark bite fittings, everything went together good, no leaks, this summer I hooked up my new garden hose and within 5 minutes the end popped off, seemed like the water pressure was high, I went and got my pressure tester and couldn't believe what I saw 165 lbs, called the town they said I need a pressure reducer, just installed one today, these fittings got to be tough with that kind of pressure for a year, I wont hesitate to use them in the future.
Date published: 2015-07-03
Rated 5 out of 5 by from Extremely easy to use I had to move a water supply line to install a new toilet. I found the Sharkbite range of products and I am so impressed I tried to see if I could buy stock in the company. (I don't think they are public.) I cut the existing pipe, smoothed off the cut end with the orange sharkbite tool and then slipped this coupling on. I ran PEX tubing up through the floor to the bathroom above. Each item just pushes on in place and not a drop of water came out when we switched the water supply back on. Perfect!
Date published: 2014-02-01
Rated 5 out of 5 by from SHARKBITE - best push-fit These are the best push-fit on the market. Are these worth the expensive price, ABSOLUTELY. Whether in tight quarters (against floor board and joist) or in wide open spaces these always work like a charm, no muss, no fuss, no leaks, no fires and no aggravation. Best of all plumbing can be disassembled in a breeze if need be. Try that the old fashioned way. So no matter your pipe material (pvc, cpvc, copper) Sharkbite's rock. Also used on my 3/4" air line runs in the garage (150psi) for years now. Hope this helps.
Date published: 2014-07-01
Rated 4 out of 5 by from Fast & Convenient yet some issues I have used these in many repairs at my cabin and love the ease of use. However, freezes have caused failure where standard solder joints hold up. The expansion and contraction seems to lossen the "bite" and the coupler just lets loose on one side, even when the pipes have been drained and blown out. I have replaced this one spot three times thinking that I had a slight dip in the line up, but that did not solve it. The last time I pushed up harder on the pipe-so far so good.
Date published: 2012-04-25
Rated 5 out of 5 by from Amazingly Easy toUse I just used these for the first time to repair a frozen/ruptured copper water line inside a finished wall. Before this I would always have used new copper lines and fittings - but by using this (I had a 1/2 and 3/4 line to repair) I only had to make a small hole in the drywall, and the plumbing repair only took about 1/2 hour. These fitting are a little pricey compared to copper, but the transition from copper to PEX and back to copper was amazingly easy and leak free. These would be great for anyone, but a must have of you are not adept at sweating copper fittings.
Date published: 2014-01-18
Rated 5 out of 5 by from Enables plumbing work in very cramped spaces. Awesome. I can't say enough good things about the sharkbites. They are fantastic. I had a water leak in a shower set up, and when I removed the shower handle plate I discovered the whole setup was incorrectly installed (e.g. the shower valve was just hanging there without being attached to anything other than the 4 pipes connecting to it). Soldering, I would have had to break a bunch of tile to rebuild the shower. But using sharkbites and a very small pipe cutter, I could reach in behind the wall and cut pipes and install the connections just through the shower valve/handle hole. That saves so much work. We'll see in 20 years whether any of the concerns around sharkbites are well founded. So far I have found them to work great.
Date published: 2014-02-11
Rated 5 out of 5 by from Best Invention Sharkbite are simply a no brainer when it comes to DIY repair or adding on to existing pipes. All you need to do is cut - clean and snap on. I have never had or seen a Sharkbite connection leak. I use them for everything. If i was a plumber i would recommend not using it only cause it would take away from their profit. Any DIYer can do this without their help. Sharkbite makes every connection possible. From Sink values to 1/2 to 3/4 adapters just to name a few. [This review was collected as part of a promotion.]
Date published: 2015-11-18
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Questions

Can this fitting be used as a rotary union? I need to be able to connect to a low pressure water line that is continually rotating.

Asked by: Dave P
Good afternoon, Our Universal SharkBite fittings are designed to connect to Copper, PEX and CPVC pipes. They can spin while on the pipe. All threaded adapters have Nation Pipe Threads. You should confirm with your product that it meets the specifications of our fittings. If it does, you are good to go!
Answered by: SharkBite_KM
Date published: 2017-11-15

is the polybutylene couplings specially designed for polybutylene?  Or can I use any sharkbite? Thanks

Asked by: John M
Good morning, Polybutylene couplings are the only fittings we offer, at this time, to be used on polybutylene. You should not use our Universal SharkBite fittings for this connection.
Answered by: SharkBite_KM
Date published: 2017-11-15

On a 3/4" coupling UO16LFZ, how far does the pipe go into the fitting?

Asked by: PhilZ
Good morning, The insertion depth for 3/4 inch fittings is 1-1/8". You can find a complete list of our insertion depths below (found on FAQs http://www.sharkbite.com/resources/faqs/fittings/ ): 1/4″ Pipe Insertion Depth = 13/16″ 3/8″ Pipe Insertion Depth = 15/16″ 1/2″ Pipe Insertion Depth = 15/16″ 5/8″ Pipe Insertion Depth = 1-1/8″ 3/4″ Pipe Insertion Depth = 1-1/8″ 1″ Pipe Insertion Depth = 1-5/16″
Answered by: SharkBite_KM
Date published: 2017-11-14

How deep does fitting need to be?

Asked by: Jonathan N
Good morning, You didn't indicate the size but you can find our insertion depths below (found on our FAQs): 1/4″ Pipe Insertion Depth = 13/16″ 3/8″ Pipe Insertion Depth = 15/16″ 1/2″ Pipe Insertion Depth = 15/16″ 5/8″ Pipe Insertion Depth = 1-1/8″ 3/4″ Pipe Insertion Depth = 1-1/8″ 1″ Pipe Insertion Depth = 1-5/16″
Answered by: SharkBite_KM
Date published: 2017-11-13

Can this tubing be used with expansion tools and rings?

Asked by: David Deaton
Good morning, Our PEX should not be used with the expansion system. PEX-a meets the regulations with expansion products. We only have PEX-b and PEX-c.
Answered by: SharkBite_KM
Date published: 2017-11-06

can i use sharkbite fittings with fuel oil?

Asked by: scottm
Good morning, No. You should only use our fittings with potable water or up to 100% glycol solution.
Answered by: SharkBite_KM
Date published: 2017-11-01

Hello I have see conflicting information about the removal of the plastic part inside the sharkbite fittings/valves when connecting to copper pipe. When I connect to copper should I remove the plastic insert inside the fittings or shut off valves.

Asked by: hunterpa
Good morning, We recommend leaving it in the fitting as it won't affect the system. It's not required for Copper or CPVC but is required for PEX connections.
Answered by: SharkBite_KM
Date published: 2017-10-27

Is product U362LFZ a poly to pex fitting. How can you tell the difference in the poly side from the pex side on the fittings

Asked by: jeffW
Hello, Part # U362LFZ is not suitable for use with polybutylene. I have pasted links to our polybutylene transition couplings. These fittings are suitable for transitioning from polybutylene to other pipe/tube types and are the only fittings we offer that are suitable for use with this type of tubing. http://www.sharkbite.com/product/polybutylene-transition-couplings/ http://www.sharkbite.com/product/polybutelene-adapters/ Thank you
Answered by: SharkBite118
Date published: 2017-10-26
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