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Bard part number 8604-157 is a 5 kW, 240V electric heat strip assembly used for supplemental or emergency heat in compatible Bard wall mount HVAC units and air handlers. This OEM heater kit includes the required safety protection, with an automatic limit and a thermal cut-off (TCO) to help prevent overheating during restricted airflow conditions. When a Bard system is not keeping up in cold weather or a heater circuit has failed, replacing the heat strip with the correct Bard OEM part helps restore designed heat output, electrical connections, and fitment. Confirm your unit model and heater kit rating before ordering to ensure proper compatibility and safe operation.