MANUAL OF NAVAL PREVENTIVE MEDICINE
(3) For a stationary rack, dual temperature machine, 150oF (66oC);
(4) For a multi-tank, conveyor, multi-temperature machine, 150oF
b. The temperature of the wash solution in spray-type warewashers that
use chemicals to sanitize may not be less than 120oF (49oC).
4-2.15 Manual Warewashing Equipment, Hot Water Sanitization
If immersion in hot water is used for sanitizing in a manual
operation, the temperature of the water shall be maintained at
171o F (77o C) or above.
4-2.16 Mechanical Warewashing Equipment, Hot Water
a. In a mechanical operation, the temperature of the fresh hot water
sanitizing rinse as it enters the manifold may not be more than 194°F
(90°C), or less than:
(1) For a single tank, stationary rack, single temperature machine,
165 F (74oC); or
b. For all other machines, 180oF (82oC).
4-2.17 Mechanical Warewashing Equipment, Sanitization
The flow pressure of the fresh hot water sanitizing rinse in a warewashing
machine may not be less than 15 pounds per square inch (100 kilopascals) or
more than 25 pounds per square inch (170 kilopascals) as measured in the
water line immediately upstream from the fresh hot water sanitizing rinse
4-2.18 Temperature Measuring Devices
Temperature measuring devices shall be calibrated in accordance with
manufacturer's specifications as necessary to ensure their accuracy.
device will be accurate to ± 3oF (± 1.5oC).
4-2.19 Manual Warewashing