Sight Glass 5/8 Flare on
The function of the sight glass is to observe the liquid level of the refrigerant and detect the presence of moisture in the back end of the dry filter in the system. In a system with an expansion valve, a sight glass is usually fitted in the liquid line immediately after the filter drier.
Function: It provides a visual indication of the refrigerant’s state. Allowing you to see if it is a clear liquid, flowing with bubbles (low charge). Or if there is excess moisture present (often indicated by a change in color).
Sight Glass 5/8 Flare on
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