I have a section of piping I want to clean up, and while out to buy some supplies to practice my pipe sweating I found out about Quick Connect Shark Bite connectors. I was told they work for both residential water and boiler applications but I wanted to know of examples or things to look out for.

My boiler operates between 120 °F and 160 °F @ 12 psi to 25 psi with the high temp cutoff at 190 °F.

In the winters it's become necessary to run the heat 24/7 for about a week at a time, so softening of the plastic seal because of heat is something I am concerned with.


SharkBite fittings are certified to 200 PSI and 200°F (93°C).

Lots more info available on the official shark bite website.

Here is a link to FAQ on the site where I found this answer.

  • My local store has Watts QuickConnect "Shark Bite" connectors, but I can't get their spec page to load do you have any opinion? The link you posted is a good resource overall. – QueueHammer Dec 1 '19 at 22:32
  • Are they the white plastic kind? – Kris Dec 1 '19 at 22:57
  • amazon.com/Watts-P-600-Connect-Coupling-2-Inch/dp/B000BQYATA. The specs on amazon for their plastic 1/2” coupling shows 250 psi at 75 degreeF OR 100psi at 180 degreeF – Kris Dec 1 '19 at 23:01
  • Brass, so if the plastic meet the spec, I'm comfortable with the brass ones in an easily accessible space near the boiler. At this point if they last more than a year they would be twice as reliable as the system they are helping to replace. – QueueHammer Dec 2 '19 at 2:38

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