Description
The Sporlan Controls 700611 is a 2-1/8″ ODF refrigeration sight glass engineered for commercial and industrial refrigeration systems. Designed and manufactured by Sporlan — a trusted name in refrigeration controls and components — this sight glass provides a clear, real-time visual indication of refrigerant flow and moisture condition within the liquid line, helping technicians quickly diagnose system performance and detect potential issues before they escalate.
Key Features
- 2-1/8″ ODF (Outside Diameter Flare) sweat connections for secure, leak-free installation
- Clear sight glass window for direct visual inspection of refrigerant flow and condition
- Moisture indicator element signals system dryness or presence of moisture contamination
- Rugged brass body construction for long-lasting durability in demanding refrigeration environments
- Compatible with a wide range of common refrigerants used in commercial refrigeration systems
- Designed for liquid line installation to monitor refrigerant state and detect flash gas
Why Use a Sight Glass?
Installing a sight glass in the liquid line is a best practice in refrigeration system design and service. It allows technicians to visually confirm that the liquid line is carrying fully subcooled refrigerant — free of flash gas — to the expansion device. A sight glass with a moisture indicator also provides an early warning of moisture contamination, which can lead to acid formation, compressor damage, and system failure if left unaddressed.
Applications
- Commercial refrigeration systems
- Industrial cooling and process refrigeration
- Large-capacity HVAC/R systems requiring 2-1/8″ ODF liquid line connections
- Supermarket display cases, walk-in coolers, and freezer systems
Product Specifications
- Brand: Sporlan Controls
- SKU: 700611
- Connection Size: 2-1/8″ ODF
- Connection Type: Sweat (ODF)
- Application: Refrigeration liquid line







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