Attached below is the list of part numbers, items, and visual of the items necessary to replace the older discontinued thermostat.
87387044390 Heating element
87387044410 Thermostat ES 2.5/4
87387044440 Temperature Knob
87387044460 Plastic Cover
87387044470 Anode Rod
Please call GlobalTowne at 888-726-9752 for further questions or to place an order.