Bard 9048-224 - Reverse Flow Limit L140

Bard 9048-224 is an OEM reverse flow limit (L140) used to protect Bard wall mounted HVAC equipment by monitoring air temperature and opening the circuit if abnormal heat or airflow conditions occur. This safety limit is typically used in the heating airstream where reverse flow or overheating could damage components, and it is designed to help shut the unit down before temperatures exceed the limit rating. When you need a like-for-like replacement to restore proper safety operation and avoid nuisance shutdowns from incorrect substitutes, using the correct Bard 9048-224 limit helps ensure proper fit, wiring compatibility, and dependable temperature protection.

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