Dishwasher install

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Old 02-08-16, 08:15 PM
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Dishwasher install

I am replacing a dishwasher that is plumbed with copper tubing. Can I shut water off and remove the copper tubing nut from the old washer and from the wall and just replace with flex hosing? If I shut off hot water heater would I need to do anything else before removing water supply line?
 
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Old 02-08-16, 08:21 PM
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There should be some kind of shut off to turn the water off. You said remove from the wall. Is there one of those in wall connection boxes there...... is so it shouldn't be hot water.
 
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Old 02-08-16, 08:21 PM
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No one here can see how yours was plumbed.
There should have been a shut off valve right under the sink.
There is no reason to shut off the water heater.
If it was plumbed with a saddle valve now's the time to go to plan B and replace it with a real shut off.
A picture under the sink would be a big help.
https://www.google.com/search?q=sadd...HRXzCoYQsAQIPA
 
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Old 02-08-16, 08:44 PM
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Old 02-08-16, 08:48 PM
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Did that link work? The dishwasher is hooked up to the valve on the left bottom without a handle on it at the moment.
 
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Old 02-08-16, 08:59 PM
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one more showing the sinks hot water, which is directly above the valve hooked to the copper dishwasher line.

View image: plumb3
 
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Old 02-08-16, 09:46 PM
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If the valve under the sink can be closed and it holds, you will not need to close off the water at the heater. If that valve under the sink does not hold, then it should be replaced.

And yes, you can substitute a flexible hose made for dishwashers instead of the copper tubing. Yo may need to buy an adapter fitting for the dishwasher end.
 
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Old 02-09-16, 09:43 AM
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What is the orange handle for at the very bottom right?

What would be the best way to turn off the water based on my picture?
 
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Old 02-09-16, 10:13 AM
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Option 1 would be to move the handle from the sink hot shutoff to the dishwasher hot and turn it off. (screw in the middle of the handle is removed and handle comes off). this is the easiest solution. Next easiest would be to use a pliers to turn the stub of the valve stem for the dishwasher hot. There is nothing to show if the sink hot and dishwasher hot are tied together in any way behind the wall so assume they aren't. There should be a cutoff somewhere else in the house that controls hot water lines to that area (probably). that would be your third option. If you don't find that, then turning off the house water supply may be your last option.

- Peter
 
 

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