Description
The Parker-Sporlan 700093-001 PSG-3MF is a 3/8″ flare-connection refrigerant sight glass engineered for reliable visual monitoring of refrigerant flow and moisture content in HVAC/R systems. Built to Parker-Sporlan’s exacting quality standards, this sight glass gives technicians an at-a-glance indication of system conditions — helping identify flash gas in the liquid line, confirm adequate refrigerant charge, and detect moisture contamination before it causes compressor damage.
Key Features
- 3/8″ SAE flare connections for quick, leak-free installation
- Integrated moisture indicator changes color to signal moisture presence in the refrigerant circuit
- Clear sight glass window for visual confirmation of liquid refrigerant flow and bubble detection
- Durable brass body construction for long service life in demanding refrigeration environments
- Compatible with a wide range of common refrigerants used in commercial and residential HVAC/R systems
- Compact, lightweight design fits easily into existing liquid line assemblies
Applications
- Residential and commercial air conditioning liquid lines
- Refrigeration system liquid lines
- Heat pump systems
- Anywhere visual refrigerant flow and moisture monitoring is required
Why Choose Parker-Sporlan
Parker-Sporlan is a globally recognized leader in refrigeration and air conditioning components, trusted by HVAC/R professionals for decades. The PSG series sight glasses are designed to deliver accurate, dependable moisture and flow indication, supporting proper system diagnosis and preventive maintenance.
Product Specifications
- Brand: Parker-Sporlan
- Model: PSG-3MF
- SKU: 700093-001
- Connection Type: 3/8″ SAE Flare
- Includes: Moisture indicator







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