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The YORK S1-SG-4S is a sight glass designed for use in HVAC systems that features a one-half inch ODF connection. This sight glass enables technicians to visually inspect the condition of the refrigerant within the system. It is essential for confirming refrigerant flow and state, assisting in diagnosing system performance and detecting potential issues.
This sight glass is an important component in HVAC systems. It facilitates easy monitoring of refrigerant flow.
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