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OT Plumbers- water pressure question

Posted on 4/17/24 at 6:03 pm
Posted by GooDat
The Delta
Member since Dec 2013
246 posts
Posted on 4/17/24 at 6:03 pm
Cliffs: bought a new whirpool dishwasher from lowes in september. Paid them to install it

February- stops working. Not getting water inside

Under warranty, no problem right!

Tech from local appliance company (through warranty) has been out 5 times since then and can’t get it working

Lowes telling me I gotta take it up with whirpool as they are just the middle man

Whirpool saying if the tech couldn’t figure it out its probably a water pressure issue and I need to call a plumber


I have no water pressure issues anywhere else in house. Is it possible to only have it in 1 spot, the dishwasher? The sink that is on the same water line has no issues
This post was edited on 4/17/24 at 6:04 pm
Posted by beerJeep
Louisiana
Member since Nov 2016
35116 posts
Posted on 4/17/24 at 6:04 pm to
Did you unplug it and plug it back in?
Posted by Tschool
Zachary
Member since Jan 2004
118 posts
Posted on 4/17/24 at 6:09 pm to
Sometimes there are inline filters . Could be plugged but tech should know
Posted by Tomatocantender
Boot
Member since Jun 2021
4793 posts
Posted on 4/17/24 at 6:09 pm to
Turn off water main. Pull dishwasher out. Remove back panel and adjust the pressure switch with a screwdriver. 120 psi is what you're looking for.
Posted by TSS_Tiger
Baton Rouge
Member since Oct 2013
191 posts
Posted on 4/17/24 at 6:17 pm to
Turn the valve off under the sink, unscrew the cold water feed line to the faucet, make a test tree with an npt x 3/8” or 1/2” fip nipple a tee a gauge and a bleed valve, turn your cold water valve back on and check the pressure on the gauge. Compare that to the inlet pressure required in the owners manual.

If it’s high enough they owe you a dishwasher.
Posted by HarryCallahan
Member since Sep 2015
148 posts
Posted on 4/17/24 at 6:19 pm to
Check the strainer where the supply elbow connects. Possibly plugged with debris
Posted by Koach K
Member since Nov 2016
4104 posts
Posted on 4/17/24 at 6:20 pm to
I have a 25 dollar whirlpool I got on Craigslist because it was……wait for it…..:white in color. Hasn’t missed a beat in 7 years.
Posted by SUB
Member since Jan 2001
Member since Jan 2009
20928 posts
Posted on 4/17/24 at 6:23 pm to
If it is under whirlpool warranty, then tell them to send one of their licensed techs out to figure it out.
Posted by Dawgfanman
Member since Jun 2015
22513 posts
Posted on 4/17/24 at 6:28 pm to
quote:

Whirpool saying if the tech couldn’t figure it out its probably a water pressure issue and I need to call a plumber


This seems like an assumption not backed by evidence, did the tech say it was a water pressure issue?
Posted by tigeraddict
Baton Rouge
Member since Mar 2007
11824 posts
Posted on 4/17/24 at 7:18 pm to
What type of tubing is feeding the dishwasher? Copper or poly? Either could have been crimped when the slid the old dishwasher out and and new one in.

Does the tubing feeding. The dishwasher have its on stop or did someone use a needle tapping saddle to make a connection?

Best practice is using a 3-way compression stop at the sink, one branch feeds sink other feeds dishwasher. Needle valve can leak and get less water flow.

Posted by baldona
Florida
Member since Feb 2016
20512 posts
Posted on 4/17/24 at 7:20 pm to
What’s the exact issue OP?

1.) turn dishwasher valve off
2.) unhook dishwasher water supply line from the dishwasher and put it into a 5 gallon bucket
3.) turn dishwasher valve back on
4.) count how long it takes to fill the bucket or fill it a gallon or whatever

Go from there

ETA: the tech should have done this himself while there. It’s an easy thing to check.

It would be like checking why your dishwasher has no power at the control board.
This post was edited on 4/17/24 at 7:22 pm
Posted by Chrome
Chromeville
Member since Nov 2007
10362 posts
Posted on 4/17/24 at 7:36 pm to
Sometimes the supply from the water to the dishwasher gets crimped. The dishwasher has 2 skids on each side and the supply line can get under it and get pinched off.
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