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Bard part 8402-178 is an OEM limit control rated L120-30 that helps protect Bard wall mounted HVAC gas electric equipment by opening the circuit if unsafe heat conditions occur in the heat section, then allowing normal operation again once temperature drops per the control design. This temperature safety device is commonly listed in Bard burner component parts breakdowns, so it is a dependable choice when you are replacing a failed or out of tolerance limit to restore proper shutdown protection and prevent nuisance trips. For best results, match the L120-30 rating to the original part on your unit and verify compatibility by model and serial number before ordering.
* Orders less than $50 may incure a minimum order fee.