Hot water commonly is more effective for cleaning the dishes and coupled with the heat cycle of the dishwasher can sanitize the dishes.
Water supply to dishwasher hot or cold.
Some dishwashers can be connected to a hot water supply though.
The only question is how the water is heated.
Install a new three way shut off valve onto the existing hot water supply line.
As far as hot water vs cold water there doesn t seem to be one clear answer.
Steps for installing a new dishwasher.
This is why for dishwashers its always the hot water supply line.
One thing some people are confused about is if connecting the dishwasher to cold water means it will wash with cold water.
Use a wrench to remove the existing shut off valve on the hot water supply line under the sink.
Reconnect the hot water supply line to the new shut off valve.
The pre heater supplements the water coming in from the hot water line don t think you can hook it up to the cold water line and rely on the pre heater.
Xxxplumbdumbxxx wa i ve just had a new sears dishwasher installed i have 2 now in the kitchen the old one is hooked to the hot water supply line so that s the way i was going to hook it up i hired a plumber he said it hooks to the cold water supply he s already hooked it up i finally read the install book it says to locate the hot.
Dishwashers are connected to the hot water line which allows the dishwasher to wash with the hottest possible water.
Dishwasher supply hot or cold.
Shut off the water to the kitchen sink.
If you do connect a dishwasher to the hot supply you should use a hot fill hose which is designed for use with hot water.
When doing a dishwasher installation i have found the existing water supply line hooked up to the wrong pipe.