Johnson Controls A72AA-22 Temperature Control Freon The unit is supplied as

The unit is supplied as an open-frame component without an enclosure

making it a versatile drop-in for reversing valve replacement projects involving split systems

Frequent tripping usually indicates restricted return air

When swapping this board

allowing for precise sequencing and independent stage management

Johnson Controls A72AA-22 Temperature Control Freon The unit is supplied asThe Johnson Controls A72AA 22 Temperature Control is a heavy duty, two pole DPST temperature switch designed for direct control of high amperage electrical loads in commercial refrigeration and industrial heating systems. As an automatic reset temperature control, it effectively manages 120 240 Vac circuits, including polyphase motors, without the need for additional magnetic starters where single phase protection is already in place. This model