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Should be connected dishwasher only to hot water?

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Connect it to cold water line only, never the hot line, the dishwasher has its own heating element to heat the water to the proper temperature for a clean and sanitized wash.

Posted on Jan 03, 2011

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Posted on Jan 02, 2017

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1 Answer

Does my Bosch SHU43C06UC/17 dishwasher have a hot water element in it? Our kitchen tap water does not get very hot, and before I hook up the dishwasher I want to make sure it will have water hot enough to...


Hi.
Your dishwasher should never be connected to a hot water tap.
Every dishwasher has its own Heating element. If you connect it to a hot water tap you may eventually damage the inlet valve which has sensitive plastic components in it and may even void your warranty if your installation manual suggests Cold water connection only.
Regards Sam

Oct 06, 2013 | Bosch 24 in. SHU30 Built-in Dishwasher

1 Answer

Kitchenaid dishwasher KDC-18 works but the water does not get hot just cold. Any solution?


Dishwasher must be connected to a hot water line in order to work properly. Also, it often requires a good deal of time for hot water to make its way from the water heater to the dishwasher. If the dishwasher is located under the kitchen counter, turn on the hot water in the sink until it runs hot, then start the dishwasher.

Many dishwashers have a built in heater, but hot water should be initially fed into the dishwasher through the water inlet in order for it to perform properly.

Mar 17, 2013 | KitchenAid Dishwashers

1 Answer

Water comes into dishwasher cold. why???


Hello,

Welcome to FixYa.

Have you insured the unit is connected to a hot water supply line ? The water will not heat until it start's to circulate and activates the "flow switch" in the Bosch dishwashers.

If it is connected to a hot water supply, try running the hot water at your sink taps before turning on the dishwasher. If you still do not have hot water, check your hot water heater or supply.

If it is indeed connected to a cold water supply it will work, just be prepared for very long wash cycles since the Bosch machines will heat the water at a rate of 2F per minute...it could take a long time to reach 155F.

Let me know what you find out and I'll try to assist you in any manner I can going forward.

Regards,

Macmarkus :)

Jan 28, 2011 | Bosch 23 in. SHU33A Built-In Dishwasher

1 Answer

Plumber has connected hot water supply to dish washer can that be a problem


Hi,

For most dishwashers the hot water is the connection you want to have for the supply to the dishwasher...

I believe that it is also correct for this model also...

The dishwasher heating element will keep the water hot but is not powerfull enough to heat cold water effectively...


You will be just fine...

heatman101

Nov 19, 2010 | Hotpoint 24 in. FDW60 Free-standing...

1 Answer

Do all dishwashers use heat element or do any


all dishwashers use heaters and all should be connected to hot water the heater is only to keep the water hot not to heat it

Jun 05, 2010 | Dishwashers

1 Answer

On model du81qdwgq1 is hot or cold connection


You are supposed to connect the dishwasher to the HOT water side. Although most dishwashers have a heating element to heat the water, they are normally installed this way to reduce the amount of time the heating element is on. This not only extends the life of the heating element, but also reduces the amount of electricity required to heat the water.

Another helpful hint: Before you run the dishwasher, run the hot water tap until the water runs hot. This will fill the dishwasher with water that is already hot instead of the cold water that normally sits in the line after the hot water has been shut off for a while. If you have questions, please let me know. I hope this helps you.

May 20, 2010 | Whirlpool Gold 24 in. Built-In Dishwasher...

1 Answer

Connection a dishwasher to a normal water outlet.


If your dishwasher manual states connection to hot water then it does not heat its own water and needs to be connected to the hot.
Salt is used to overcome the hard water problems often found in England, Hard water deposits will always be a problem if no softener products are used

Feb 24, 2010 | Dishwashers

2 Answers

Asko dishwasher d3530. The water in the dishwasher is not hot.


Generally speaking, dishwashers don't heat cold water on their own. Be sure the dishwasher is connected to a hot water supply and that hot water is available to the dishwasher at the START of the cycle.

Often it takes hot water several seconds for house plumbing to deliver hot water to an outlet. If the dishwasher is connected to the kitchen hot water supply, run the water in the sink until the water runs hot before you start the dishwasher.

Dishwashers often have heaters to heat the water even hotter than most home water heaters, but they are not intended to heat cool or cold water. You MUST furnish hot water to the dishwasher from the time the cycle is started.

I've seen houses that take so long for hot water to reach a faucet, the dishwasher is already full (of cold water) before the first drop of hot water reaches it.

Good luck. Hope this helps.

Sep 11, 2009 | Asko 24 in. D3530FI Built-in Dishwasher

2 Answers

AEH Favorit 50730 dishwasher seems to work fine other than the water never gets hot. Is it easy to replace the heating element or whatever that could be faulty?


If this dishwasher is a residential dishwasher the water that is supplied to the unit is from the hot water side of the sink supply. The dishwasher does not heat the water it uses water from the water heater that is connected to the house. It sounds as if the dishwasher is hooked up to the cold water supply instead of the hot water supply. The heating element you see in the dishwasher is for drying purposes and not for heating water. I would check the hot water supply for your dishwasher to see if that could be the problem. Also remember unless you have a recirculating pump on the hot water there will be an amount of water in the pipe from the water heater and the dishwasher that has sat and cooled down over a period of time therefore when you turn on the dishwasher you will not get hot water immediately due to the distance the dishwasher is from the water heater. You will notice when you turn on the hot water to thew sink you do not get hot water right away you let it run for a minute before it gets hot since the dishwasher is connected to the same valve as your hot water to the sink it acts the same way.
Good luck on your repairs hope this helped.

Dave

Sep 02, 2009 | AEG 24 in. Favorit 50730W Free-standing...

4 Answers

Can i connect a dishwasher to the hot water pipe??


In my opinion you always connect to the hot water unless there's some compelling reason not to like your dishwasher's manual says to connect to cold. Your dishwasher will heat up whatever water you have connected it to, but since you have a tank of preheated water already sitting in your water heater you should use that.

The "resin in the water softener" example, I think, makes no sense since your dishwasher will heat up the water to something like 160 degrees Fahrenheit no matter if the input is cold or hot...

Jul 15, 2008 | Dishwashers

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