20
Factors Affecting Performance
WATER PRESSURE
The hot water line to dishwasher must provide water pressure between 20 and 120
pounds per square inch (psi).
Low water pressure may occur when laundry or showers are in operation. Wait
until water use is reduced before starting dishwasher.
WATER TEMPERATURE
Hot water is needed for best dishwashing and drying results. Water entering the
dishwasher should be at least 120°F (49°C) to give satisfactory results.
To check water temperature entering the dishwasher:
1 Turn on hot water faucet nearest dishwasher for several minutes to clear cool
water from pipes.
2 Hold a candy or meat thermometer in stream of water to check the
temperature.
3 If temperature is below 120°F (49°C), have a qualified person raise the water
heater thermostat setting.
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Before starting a cycle, run hot water to clear cool water from
pipe.