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Old 10-14-2012, 02:09 PM   #1
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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

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Old 10-14-2012, 08:40 PM   #2
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back flush of cold water line


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.

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Old 10-15-2012, 07:19 AM   #3
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back flush of cold water line


thanks for advice joe from VA, aeriator is off and clear,but will remove lines,that might free block.thanks again Don
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Old 10-15-2012, 07:30 AM   #4
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back flush of cold water line


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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