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The CARRIER kffeh3101c15 is an OEM electric heater kit circuit breaker designed for Carrier HVAC equipment. This component provides overcurrent protection within the electric heat section of an air handler or heat pump system. Rated at 15 kilowatts and 230 volts, it interrupts the heating circuit under fault conditions, protecting both the heating elements and the broader electrical system. Licensed HVAC technicians install this part during new installations or as a direct OEM replacement when the original breaker has tripped permanently or failed outright.
This heater kit circuit breaker is suited for residential and light commercial electric heating applications. It integrates into Carrier air handler units that use factory electric heat kits, providing the required overcurrent protection as part of the heater kit assembly. Typical installations involve electric forced-air systems where supplemental or primary electric heat is supplied through a factory-installed or field-installed heater kit.
Designed as an OEM replacement circuit breaker for Carrier electric heater kit assemblies used in compatible Carrier air handler and heat pump systems.
Installation must be performed by a licensed HVAC technician. Disconnect and lock out all power to the air handler and heater kit circuit before beginning any work. Verify the replacement breaker rating matches the heater kit specifications before installation. All wiring must comply with applicable NEC requirements and local electrical codes.
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