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Old 12-10-2016, 04:51 PM   #1
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Shark Bite: Totally confused


I'll try to make this simple. Kitchen cabinets being replaced in a couple of weeks. I had a slight leak at one of the shut off valves for sink. They are 1/2 and then 3/8 at the compression fitting end. The lines come into the house about 5 feet from sink and the former homeowner used lengths of braided steel line to supply faucet. I just replaced the old shut off valves with quarter turn shark Bite angle stops. these are 1/2 inch with 3/8 compression fittings.

Similar dimensions to the older valves I replaced. I attached the braided lines to the Shark bite fittings with no problem.

Here is where my confusion arises. I do not like the long run of braided hoses.

I want to run PEX or CPVC from the shut off valves along the base of cabinets and use T setup for new icemaker and dishwasher. I see shark bite has the proper size T (1/4 in for icemaker and 3/8 for dishwasher.

I cannot seem to attach PEX to the angle stop??

It is a 1/2 supply into home and a 3/8 compression at other end. PEX does not fit nor does CPVC. What am i missing here?

I could keep the long braided lines and put in a Shark Bite male connector on the end of the braided lines


This seems like a mess of connections.

How do i simply attach PEX to the 3/8 end of the shut off valve or are these designed for the braided hose only?? I would think since it is a compression fitting it would be simple but i am not understanding this.

Lastly, why does supply to sink seem to be 1/2 to 3/8 and back to 1/2. Why didn't the former homeowner just keep all 1/2. I am new to plumbing and really need help on this.

The Shark Bites are way easier than sweating a connection but compatibility seems to be an issue even though Shark Bite says it will work with PEX and CPVC.

Thanks

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Old 12-10-2016, 05:05 PM   #2
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Re: Shark Bite: Totally confused


Got some pictures so we can see what your seeing?
"there 1/2", 1/2" what coming out of the wall?

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Old 12-10-2016, 05:13 PM   #3
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Re: Shark Bite: Totally confused


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Originally Posted by joecaption View Post
Got some pictures so we can see what your seeing?
"there 1/2", 1/2" what coming out of the wall?
1/2 inch copper. the shark Bites fit right on the copper supply lines. The other end of the Shark Bites are 3/8 compression fittings. Here is a link

http://www.sharkbite.com/product/angle-stops/

I want to fit the PEX or CPVC to the compression fitting .

Maybe I should switch out the shut off from a 1/2 x 3/8 to 1/2 x 1/2 ?
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Old 12-10-2016, 05:48 PM   #4
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Re: Shark Bite: Totally confused


You will need to abandon the angle stops- at least at the location they are now.
Replace them with a tee to feed the branch line to the ice maker and DW. Then add the stops to control each fixture.

Yot could also try a quick tee if it's what you need- https://www.plumbingsupply.com/quick-tee-adapter.html
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Old 12-10-2016, 06:15 PM   #5
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Re: Shark Bite: Totally confused


Yes,
So remove the current angle stops and replace with 1/2 sharkbite fitting to go from the 1/2 copper to 1/2" pex.

Run pex 5 ft to the sink. Then do what you want. One valve.
Or then tees and have a separate shutoff for each fixture.
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Old 12-10-2016, 07:23 PM   #6
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Re: Shark Bite: Totally confused


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Originally Posted by RRH View Post
Yes,
So remove the current angle stops and replace with 1/2 sharkbite fitting to go from the 1/2 copper to 1/2" pex.

Run pex 5 ft to the sink. Then do what you want. One valve.
Or then tees and have a separate shutoff for each fixture.
Appreciate the help. i guess 3/8 pex not good. Any idea why so many people go from 1/2 inch down to 3/8 and then back to 1/2 at the sink?

Thanks again
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Old 01-10-2017, 09:15 PM   #7
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Re: Shark Bite: Totally confused


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Originally Posted by spivey44 View Post
Appreciate the help. i guess 3/8 pex not good. Any idea why so many people go from 1/2 inch down to 3/8 and then back to 1/2 at the sink?

Thanks again
I have not seen that.
It is always 1/2" to a shutoff valve. Then short run of 3/8 to the faucet.

Sometimes a long run of 3/8 to a refrig. Where you don't need the volume.

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