This was removed from a recently upgraded chiller, in good working order.

**.*This item ships free in the US***

The McQuay/Crouzet Corp 24 Slot Chiller Relay Circuit Board Model Number 57-560/A is a specialized control board designed for HVAC and refrigeration systems. Specifically, it is compatible with McQuay brand chillers and can be used for controlling air conditioners. This relay board is an essential component for managing the operation of refrigeration systems, ensuring efficient and reliable performance. With 24 slots for relays, this circuit board provides ample space for connecting and controlling various components of the HVAC system.