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The JACKSON 4540-100-21-10 is a screw-in immersion heating element rated at 2500 watts and compatible with 208/230-volt supply circuits. It is designed for use in commercial dishwashing equipment, providing the resistive heat needed to maintain wash and rinse water temperatures at levels required for sanitation compliance. The element installs through a 1-inch NPT threaded port on the tank or reservoir. Licensed commercial appliance technicians and service contractors are the typical installers for this type of component.
This element is a direct replacement part sourced from JACKSON for use in commercial dishwasher applications found in restaurants, cafeterias, hotels, and institutional kitchens. The 208/230-volt dual-voltage compatibility makes it suitable for installations where either supply voltage is present. The screw-in mounting style allows for straightforward tank installation without specialized tooling beyond standard pipe wrenches and thread sealant.
Designed as an OEM replacement heating element for JACKSON commercial dishwashing equipment using a 1-inch NPT screw-in element port with 208/230-volt, 2500-watt electrical requirements.
Installation should be performed by a qualified commercial appliance technician or licensed electrician. Disconnect and lock out all electrical power to the unit before removing or installing the element. Drain the tank fully before removing the existing element to prevent water discharge. Apply appropriate thread sealant to the 1-inch NPT threads and torque to the fitting manufacturer's standard recommendation for the tank material; consult the equipment service manual for specific procedure guidance.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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