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1/2" X 1/2"
3/4" X 3/4"
1" X 1"


The SharkBite Check Valve is a general purpose, spring loaded check valve that can be installed in seconds on copper, CTS, CPVC, and PEX. The SharkBite check valve can be installed horizontally or vertically and prevents the reverse flow of water through the water supply line.


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I would like to use these check valves on a CPVC pipe system for an outside hose bib that will have both a hot and cold water connection via a T fitting. The application is to eliminate backflow of hot water to the cold water side when the HB is off.

Asked by: Fred McBride
Greetings Fred McBride, These check valves can be used in your system the way you describe it. If you are having any issues or additional concerns, please feel free to reach out to our Customer Service team Monday - Friday between 8am - 6 pm est.
Answered by: SharkBite_KM
Date published: 2015-10-07

What is the maximum water temperature application that the check valve can be used?  I am using it for a hot water recirculation application.

Asked by: MarkM
Greetings MarkM, All SharkBite fittings are certified up to 200 degrees Fahrenheit.
Answered by: SharkBite_KM
Date published: 2015-09-23

Is possible to use this Check Valve at home outside? is affecting the sunlight to this kind of push-in-connector ? I have over the roof some portion of water  installation with a water solar heater. I want to install your push-in with Temperature gauge

Asked by: Hecman
You can use a SB Check Valve outside if it is covered from the elements. The outside conditions may make the plastic piece on the fitting brittle over time and may not last as long as if it were inside. Please call the tech line at 877-700-4242 if you have additional questions.
Answered by: sharkbitejc
Date published: 2015-08-24

What is the cracking pressure of the 1/2" check valve?

Asked by: 1988rr
Hello, The cracking pressure of our check valves is 2 psi. Thank you for your question!
Answered by: SharkBiteCB
Date published: 2015-07-21

Is this certified to meet A.S.S.E Standard 1024 for back flow prevention?

Asked by: sbeg
Hello, The SharkBite Check valves do not meet ASSE 1024 for Backflow prevention. We do offer a Cash Acme BF-1 and BF-5 Valve that will meet ASSE 1024, link below. Thank you for your question!
Answered by: SharkBiteCB
Date published: 2015-07-01
  • 2015-11-26T07:06CST
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