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The Bard CMH-14A is an OEM outdoor thermostat kit (ODT-070) used on Bard wall mounted packaged heat pump applications to manage low outdoor temperature operation. This control helps stage the system correctly by holding off compressor based heating when outdoor temperatures drop and bringing on electric heat as needed, improving reliability and preventing inefficient heat pump operation in cold conditions. It is designed to integrate with the unit’s low voltage control circuit and is commonly supplied as a complete field installable kit with the outdoor thermostat and relay components so you can restore factory intended operation with a proper Bard replacement part.