• The observation of the state of the refrigerant in the liquid line the system.
• To control the moisture content of the refrigerant.
• To control the flow of oil from the oil separator return lines.

Sight glasses are equipped with an indicator that changes color depending on the moisture content in refrigerant in the refrigerant.
Sight glasses can be used with current transitional and target refrigerants.

• for use with refrigerant: HFC and HCFC
• connector flare: 1/2"
• indicates too high water content in the refrigeration system
• indicates lack of subcooling
• indicates refrigerant deficiency
• ambient temperature range: -50^oC to 80^oC
• maximum operating pressure: PB = 35 bar