Description
The Carrier 323018 202 is a genuine OEM sight glass designed for HVAC refrigeration and air conditioning systems. This small but essential component installs in the liquid line to provide a clear visual inspection point of refrigerant flow — helping technicians verify system health and identify issues like bubbles or moisture.
Key Features
- OEM Authorized Quality: This sight glass is factory authorized by Carrier, ensuring exact fit, optimal performance, and reliable operation.
- Visual Refrigerant Monitoring: With a clear window, the 323018 202 lets you observe the flow of refrigerant and spot bubbles, indicating low charge, or contaminants.
- Durable & Compact Design: Made from robust materials, it’s compact enough (approx 1.25″ × 1.25″ × 0.375″) for tight line set installations.
- Drop In Replacement: Directly replaces part 323018 201, making it easy to swap during maintenance or repair.
- Lightweight: At only ~0.11 lb (≈ 50 g), it adds minimal additional weight or stress to the tubing.
- Preserves System Integrity: Using an OEM sight glass helps maintain warranty compliance and ensures system reliability.






