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Universal Sight Glasses
In our online shop you will find a wide range of universal sight glasses that provide optimum visual moisture indication for heat pump systems, air conditioners, liquid chillers and transport refrigeration systems. The sight glass is normally mounted in the liquid line directly after the filter drier in a system with an expansion valve.
>Which refrigeration circuit component fits?
Read type, connection type (flare or solder) and connection size from the old part. Don't confuse inches and mm.
Connection
Connection size
Read type, connection type (flare or solder) and connection size from the old part. Don't confuse inches and mm.
- Inches and mm are not the same: 1/2" is 12.7 mm, not 12 mm. For solder connections, the pipe outside diameter must match exactly.
- The SAE size refers to the pipe, not the thread: 1/4" SAE has a 7/16" UNF thread, 3/8" SAE a 5/8" UNF thread.
- Replace the filter drier every time the circuit is opened and only open it shortly before installation – it draws moisture from the air.
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Loosen the filters – or send us the type or part number and we will check whether we can source the part.
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