Johnson Controls MR4DR24-12 4-Stage Defrost Control Module W/2 Sensors

The Johnson Controls MR4DR24-12 is a part that controls the defrost operation of commercial HVAC equipment. Using its two sensors, it keeps temperature conditions checked to effectively remove frost on coils. This control unit is beneficial in refrigerator systems since frost development undermines the performance of this system. It is constructed from stainless steel and it has a flanged connection type the maximum pressure being 175 PSI. Due to its globe valve style and three-way body pattern, this design allows for close control of the refrigeration’s refrigerant during defrosting. It enables dependable performance in the environmental temperature varying between 40°F to 90°F which makes it suitable for various climates.