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The TUTCO 81-0303-04 is a 15 kW heat strip breaker designed for electric heating applications in residential and light commercial HVAC systems. This component serves as an integral safety and distribution device within electric heat strip assemblies, interrupting current flow when the circuit is overloaded and protecting the heating elements from damage. It is sourced as a direct replacement for Goodman OEM part numbers HKTAD151 and HKA-15C. HVAC technicians install this part during heat kit servicing or system repair on packaged units and air handlers equipped with electric resistance heat strips.
This heat strip breaker fits heat kit applications where a 15 kW electric heating assembly is installed. It is suited for packaged heat pump systems and air handling units that use electric strip heat as primary or supplemental heat. The part is specified as a replacement for Goodman HKTAD151 and HKA-15C heat kits, making it a common service item for technicians maintaining Goodman and compatible equipment in residential and light commercial installations.
Listed as a direct replacement for Goodman HKTAD151 and HKA-15C heat kits. Verify voltage, amperage, and mounting configuration against the existing unit before installation.
Installation of a heat strip breaker should be performed by a licensed HVAC technician. Disconnect all power to the unit at the main disconnect and confirm zero voltage with a meter before handling any electrical components. Follow applicable NEC guidelines for electric heating equipment. Do not energize the unit until all wiring connections are secured and covers are reinstalled.
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