Dishwasher----can a dishwasher be connected to cold water an operate correctly?

There are 2 types of dishwashers. One only connects to the cold water and the other connects to both. You cannot connect one intended for cold only to the hot water. That type uses an internal heater to heat the water to the correct temperature.

Dishwasher are designed to be fed hot water will not operate correctly with cold water feed

Hi -
I can't see how any installation problem would cause this - if the dishes are still wet at the end of the cycle, you'll probably find the water isn't heating during the wash cycle. The dishwasher uses steam to heat the washing compartment and dry the dishes. It would appear that the dishwasher isn't heating water internally.
Even if the washer was accidentally connected to the cold water supply ** (see note), this shouldn't happen as regardless of the water supply temperature, the washer should still heat the water to the correct temperature internally.
** UK dishwashers should be connected to the cold water supply. For US installations, dishwashers are commonly connected to the hot water supply. For other locations, please consult your installation instructions.
I suggest you start a regular wash cycle and leave it to run for 10-15 minutes. Then open the door and test the temperature of the water in the base of the washer by hand. The water should be hot and there should be steam present in the washer when you open the door.
If the water is cold or only warm, the water isn't being heated internally or isn't heating to the correct temperature, in which case you should contact the retailer or Bosch Service immediately for a replacement. Do not accept an offer of repair on a brand new washer!
Additionally, do not attempt to repair the dishwasher yourself when under warrantly as this will invalidate the warranty.
Hope this helps. If you need further assistance, please let me know your location and the model number of the washer. This should be laser-etched into the top of the door if you can't find it on any of your paperwork.
Regards, BElectric

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

If you can provide the full model no. of your dishwasher then I can try to find a manual.

Not all dishwashers can handle the powerball. One of the reasons for the detergent not dissolving fully is lack of correct water temperature. If you are using hot water connection then make sure the water temperature is hot enough.

If cold water then it is possible the dishwasher heater is not creating the correct temperature.

Let me have the model no. and I can look further into your problem.

It would help if you provided the dishwasher make and full model no.

Usually the dishwasher can take longer if the water temperature is not correct. If you are using hot water connection then make sure the inlet water temperature is at the correct temperature.

If you are using cold water connection then check if your dishwasher is designed for cold water inlet. The dishwasher heater could be playing up.

Please rate this solution to help fixya serve you better in future.

I find it odd that the dishwasher is filling with cold water if the water is hot at the sink. It sounds like the dishwasher is connected to the cold water line rather than the hot. Check under your sink; if you've got standard plumbing, the dishwasher supply line should be connected to the left water pipe.
Regardless, the water temperature doesn't fully explain the symptoms, especially the detergent left in the door (assuming you're using fresh detergent and it's not caking in the door prior to washing).
I would check the blades again. Even thought they may appear clean, there may be debris in them that get forced into the openings during operation, but fall away from the openings when the water flow stops. Remove the blades, run water into them, then invert them to drain while rocking back and forth. If there's crud in them, you may need to do this several times.

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.

The water connection is the smaller of the two and generally near the front of the machine, usually a threaded fitting on a electric solenoid will need a pipe to compression 90 fitting if its not already installed, it needs to be hooked to the hot water and that can be found on the left side going up to the sink faucet to be sure run some hot water and the side that gets warm is the correct one, you will need to turn off the water and install a T to connect the dishwasher if an unused shut off is not already there for the dishwasher. The drain line takes a hose and clamp and will hook into your drain iether through a dishwaser t or the disposal if you have one has a connection for it.

indicates that the heating element in the unit is non operational ( not connected or burnt out )