MASTERCOOL 53376 Visual Inspection Sight Glass with Quick Couplers

The Mastercool 53376 Visual Inspection Sight Glass provides a fast and effective way to assess the condition of refrigerant within R134a or R1234yf systems. Designed with ball valve control and quick couplers, it enables technicians to extract a small sample of refrigerant for inspection—allowing visual detection of excess dye, oil contamination, or debris. This essential diagnostic tool helps ensure optimal performance and longevity of A/C systems, while allowing re-injection of the inspected refrigerant with zero leakage.

Key Features:

  • Provides a clear visual window into R134a or R1234yf refrigerant systems
  • Identifies contamination such as excess dye, oil, or particulate debris
  • Leak-free design with ball valve control ensures safe refrigerant handling
  • Quick coupler compatibility for fast connection and disconnection
  • Works with standard vacuum pumps or integrated R/R/R vacuum functions
  • Allows the sampled refrigerant to be safely returned to the system
  • Helps maintain A/C system performance and reduce misdiagnosis
Weight 2 lbs
Dimensions 8 × 4 × 2 in
SKU GPMA-53376 Category Tag

CAD$301.00

Plus shipping & taxes

Approximate lead time: 2-3 days

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Ships from our Etobicoke warehouse or Pick it up.