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Bard part 8402-118 is an OEM limit control (L160-7.0) used as an electrical safety control in Bard wall mounted HVAC equipment to monitor component temperature and help prevent overheating. When temperatures rise to the control point, this automatic reset switch opens the circuit to shut down the heat source or protect the system until temperatures drop back within range, helping keep electric heat and air handler operation safe and stable. If you are replacing a failed or nuisance tripping limit, match the original limit rating and mounting style from your unit wiring diagram or service manual to ensure proper fit and correct temperature protection with Bard part 8402-118.