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The AO SMITH 100110614 is a replacement wiring harness designed for the BTF-80 water heater. It serves as the internal electrical interconnect that routes low-voltage and line-voltage signals between the control board, heating elements, sensors, and other electrical components within the unit. This harness maintains correct circuit continuity and protects conductor routing during normal operation. Installation is typically performed by a licensed plumber or HVAC technician during service, repair, or component replacement on the BTF-80 platform.
This wiring harness is a direct-fit replacement for the AO SMITH BTF-80 water heater. It is suited for residential water heating applications where the original harness has been damaged, has developed faults, or is being replaced as part of a broader service procedure. Using the correct OEM-specified harness ensures proper connector fitment and avoids circuit mismatch issues that can arise from aftermarket alternatives.
Designed as a direct replacement wiring harness for the AO SMITH BTF-80 water heater.
Wiring harness replacement should be performed by a licensed plumber or qualified electrician familiar with water heater electrical systems. Disconnect power to the water heater at the breaker before beginning any service work. Follow all applicable NEC requirements for water heater electrical connections. Do not energize the unit until all harness connectors are fully seated and the access panel is secured.
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