Product Description
. . . . . Johnson Controls P20DB-1 Air Conditioning Limit Control w/ Manual Reset (100-425 PSIG) - These air conditioning limit controls are specially designed for package residential or commercial air conditioning units. They are for use with all non-corrosive refrigerants within pressure range of controls - water or air cooled. They may also be used for refrigeration applications where a fixed range setting is acceptable. Models are provided for low side pressure, high pressure or dual pressure and may be supplied with automatic recycle or manual reset.. Johnson Controls. Johnson Controls. P20DB-1.