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-   -   back flush of cold water line (http://www.diychatroom.com/f7/back-flush-cold-water-line-160040/)

dgorbutt142 10-14-2012 02:09 PM

back flush of cold water line
 
Hello, I have a kitchen fixture with low pressure,think sediment block.I do not know how much outlet max. psi to regulate compressor for and for how long 3 min,etc? my compressor is portable type 1.5hp/twin stack tank/and 155 psi max outlet pressure. can you advise here so i don,t damage lines too much pressure ,blow out for to long.thanks Don

joecaption 10-14-2012 08:40 PM

Have you first removed the aeriator to see if it's plugged up?
Disconnected the lines under the fauce and ran some water into a bucket.
I've never once seen water line need to be blown out with air unless it was to winterize them.

dgorbutt142 10-15-2012 07:19 AM

thanks for advice joe from VA, aeriator is off and clear,but will remove lines,that might free block.thanks again Don

joecaption 10-15-2012 07:30 AM

One kink in a supply line can cause this.
Old steel pipes for sure can cause it. They rust up from the inside out.


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