This Avantco A Plus 44712350131F digital controller with 2 temperature probes is the perfect replacement for what comes standard with Avantco AP-23F and AP-49F series reach-in freezers. It is a direct replacement for the original part. Maintaining the proper temperature is vital for food safety, so if your unit's controller needs to be replaced, it's important to do it promptly. This kit includes a digital controller and (2) 118" temperature probes.