Dishwasher - Maximum Inlet Water Temperature

There is a limit for the inlet water temperature for the water going into a dishwasher. This article provides an overview for the maximum inlet water temperature for various styles of dishwashers.

Observing the Maximum Inlet Water Temperature for a Dishwasher

GE and Hotpoint Porcelain and Plastic Tub Models

Not designed to handle incoming water hotter than 150 degrees Fahrenheit. Water hotter than 150 degrees can cause rubber components to disintegrate. It can also warp the walls of the plastic tub models and possibly damage the water valve.

Note: Black grease spots result when water hotter than 150 degrees causes the rubber boots under the tub and the rubber corner gaskets to disintegrate.

Stainless Steel Interior Models

Maximum water temperature is 180 degrees Fahrenheit. It is not recommended to set the water temperature above 150 degrees Fahrenheit because of the possibility of damage to dishes and other objects being placed in the dishwasher.

Sanitizing Water Temperatures

The Anti Bacteria cycle raises the temperature to 160 degrees Fahrenheit momentarily at the end of the cycle. This will not be long enough to harm the dishwasher but is long enough to meet NFS certification. Monogram ZDB5700/5900 Models have NSF approval for Sanitizing dishes. The maximum temperature reached is 171 degrees Fahrenheit. This meets NSF requirements for sanitizing dishes. Do not confuse Sanitize with Sterilizing, they are different. Sterilizing requires a temperature of 180 degrees Fahrenheit.

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