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Sight glass with moisture indication SA13FM


3/8" Female Flare x 3/8" Male Flare
Sight Glasses are used to determine the state of charge. For optimum performance a cooling system must have a solid column of light at the expansion valve. A sight glass provides a visual indicator of any "bubbles" in the refrigerant stream that could adversely effect performance. In general, the sight glass should be located s near the expansion valve as possible. RParts sight glasses also incorporate a visual moisture indicator which changes color if moisture is rises to an unacceptably high level.

Sight glass with moisture indication SA13FM