Help! Installing new faucet problem...

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Old 10-14-09, 11:58 AM
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Help! Installing new faucet problem...

I started to install a new Moen faucet last night and ran into a problem. First of all, the faucet doesn't have typical rigid copper lines with threaded male connectors for the supply lines. Instead, it has thinner, 3/8" rubber-like lines with a female compression nut at the end. And to complicate things, the water supply lines under the sink go directly behind the wall and the connections/shut off valves (if there are any), are inaccessible. And these lines have the typical 1/2" plastic compression nut. So, I imagine I need some sort of coupler. Would it be easier to install a male to male coupler or would it be easier to cut down main water supply lines and install something with a male connector for the female faucet lines? The lines are a bit long to begin with. Thanks in advance.

To help things out, this is essentially what I'm dealing with... on the left is what I have running out of the wall for the main supply lines and on the right is what's on the end of each faucet line: http://www.homedepot.com/catalog/pro...6d77a3_400.jpg
 

Last edited by arobby13; 10-14-09 at 12:07 PM. Reason: Added image
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Old 10-14-09, 12:39 PM
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The lines on the faucet are designed to directly attach to the typical faucet supply valve.I think what you have is some sort of line that has the 1/2 pipe thread that would fit the outlet of a faucet with no lines attched.You have two choices:easy= there is an adapter available at most hardware stores,Not so easy= create shut off valves if there are none and set it up like a traditional situation with supply valves that have 3/8 comp outlets.
 
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Old 10-14-09, 12:46 PM
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I'll opt for the easy route for now and look into adding valves down the road (nice to have). Can you give me the name of the fitting needed for this? I bought a 3/8" male to 1/2" male last night and the 1/2" end fit on the plastic fitting of the mail lines, but the 3/8" end didn't fit correctly on the faucet fitting. It was slightly tapered and wouldn't fit flush with the compression nut.
 
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Old 10-14-09, 05:07 PM
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You want 3/8 COMPRESSION to 1/2 pipe.Not pipe x pipe.It will be brass or chrome plated brass and versions of it may be located with compression fittings as well as with supply lines.Pipe thread has a taper compression won't.

If you go to a hardware store where there is good help and tell them what you need it will take anyone with knowledge about 5 seconds to get this for you as this is not that uncommon a situation or fitting.
 
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