Sight Glass 1 1/8 Sweat on

Sight Glass 1 1/8 Sweat 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.

Sight Glass 1 1/8 Sweat on

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).

Installation: The “sweat-on” design means it is brazed directly onto a 1 1/8″ liquid line in the refrigeration system. It must be protected with wet rags or heat-absorbing paste. During installation to prevent the heat from damaging the glass or its seal

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