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Sight glasses Honeywell
Our online shop offers an extensive range of Honeywell hermetic sight glasses to indicate the degree of drying for refrigeration and air conditioning systems at top prices. Sight glasses are usually mounted in the liquid line between the filter dryer and the expansion valve and indicate the condition of the refrigerant flowing through the system during operation. Honeywell sight glasses can also be used to determine if the refrigerant is free of gas bubbles.
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.
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.
Filter products
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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.
Request a part Reset all filters