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Old 01-09-2017, 04:22 PM  
o2284200
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Default How to cap dishwasher water line?

Hello all!
If removing old dishwasher but need time before installing new DW, how and where would you cap off DW water line, temporarily, without shutting off water to entire house?

FWIW...I closed the shut off valve and ran a "quick rinse" cycle (10 min) test...No leak at the valve but I did feel slight moisture, where the copper water line attached to old DW. Also, the new DW comes with this 5-ft 125-PSI Stainless Steel DW Connector: https://www.lowes.com/pd/EASTMAN-5-f...nector/3190279

Shut off valve for DW under kitchen sink


Copper water line from shut off valve, through wall to DW


Copper water line attached to old DW


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Old 01-09-2017, 04:29 PM  
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I would cut the pipe and cap it with shark bit cap and when you get the new one make sure you have the right size fitting before you undo the fitting.


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Old 01-09-2017, 05:08 PM  
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I would cut the pipe and cap it with shark bit cap and when you get the new one make sure you have the right size fitting before you undo the fitting.
Cut which pipe?
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Old 01-09-2017, 05:32 PM  
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the one between the valve and the dishwasher, you won't need it later but you just want to stop any dribble in the mean time.
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Old 01-09-2017, 05:53 PM  
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Originally Posted by nealtw View Post
the one between the valve and the dishwasher, you won't need it later but you just want to stop any dribble in the mean time.
Ah!
You mean the copper water line that will be replaced by the new stainless flex line.
Where does the flex line get attached to the shut off valve, A or B?
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Old 01-09-2017, 06:02 PM  
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Hmmm, place bucket under and unscrew A and B and see what comes apart, take that to store and get adapter to new stainless if it is not the right fitting already.
A pro might have a better answer but this is how I would approach it.
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Old 01-09-2017, 06:51 PM  
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Couldn't he just use a 3/8" block-off cap?

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Old 01-09-2017, 07:00 PM  
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In post #1, the 3rd photo, disconnect the copper from the brass 90, remove the brass 90 and reattach the copper feed line, the top of the 90 is pipe thread and likely 3/8 and a brass cap will stop any drips.

Disassemble the copper, A, and remove the fitting between "A" & "B", and the new flex line will screw into the 1/2" nut "B".

There will be a 90 similar to that used to cap the line, on the new appliance.
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Old 01-10-2017, 05:48 PM  
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That's "soft" copper, will the O.D. be the same to be able to use a shark bite cap?
Remove the 1/4" or 5/16" bracket screw, yellow hose clamp with hose, unplug electrical connector to the solenoid and just leave the fill valve sitting there until the new washer arrives. As long as the solenoid is not energized the water will not flow. Now you can remove the old one and all you'll have left is the copper water line with the solenoid fill valve still attached and holding back the water.

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Old 01-10-2017, 06:00 PM  
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Quote:
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That's "soft" copper, will the O.D. be the same to be able to use a shark bite cap?
Remove the 1/4" or 5/16" bracket screw, yellow hose clamp with hose, unplug electrical connector to the solenoid and just leave the fill valve sitting there until the new washer arrives. As long as the solenoid is not energized the water will not flow. Now you can remove the old one and all you'll have left is the copper water line with the solenoid fill valve still attached and holding back the water.
That's way to easy.


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