The Berko 4520-2031-000 Limit Switch is a critical safety component engineered for high-temperature protection in commercial and industrial electric heating units

a trip is caused by restricted airflow

this is a dry-fit gasket

always check the Bard heater kit selection guide before installation

3/8" x 3" Bulb

Danfoss 023U7254 Filter Drier 322838-754 The Berko 4520-2031-000 Limit SwitchThe Danfoss 023U7254 is a professional grade type DCR 04811 replaceable core filter drier shell designed for high capacity liquid and suction line applications. Engineered for compatibility with HCFC, HFC, and HC refrigerants, this housing features 1 3 8" ODF solder connections and a steel construction that ensures long term structural integrity in demanding HVACR environments. The multi core design allows for the installation of up to four filter