The Castel 3810/22 liquid indicator is engineered to give refrigeration and air conditioning technicians a dependable visual tool for observing refrigerant flow and liquid condition within the system. Featuring a 1/4″ male flare connection, it integrates easily with standard refrigerant lines and provides a clear window to check for liquid presence. With a durable design built for professional use, this indicator is ideal for installation, inspection, and routine maintenance in commercial and industrial cooling systems where accurate refrigerant monitoring helps ensure optimal performance.

Key Benefits

Provides clear visual monitoring of refrigerant flow and liquid presence
Helps detect liquid conditions that may signal system issues
Improves accuracy of diagnostics and maintenance checks
Durable construction for reliable, long-term performance
Supports efficient and stable system operation

Specifications

Product Type: Liquid Indicator
Model: 3810/22
Connection Size: 1/4″ Male Flare
Category: Refrigeration Valves & Accessories
Sub-Category: Sight Glasses & Moisture Indicators
Application: Refrigeration and air conditioning systems
Function: Visual refrigerant and liquid condition monitoring
Brand: Castel

Applications

Observation of refrigerant flow in HVAC systems
Detection of liquid presence in cooling lines
Commercial and industrial refrigeration diagnostics
Professional HVAC and refrigeration servicing

FAQs

What is the function of the 3810/22 liquid indicator?
It provides a clear visual indication of refrigerant flow and liquid presence in the system.

What connection type does this indicator use?
It features a 1/4″ male flare connection.

Can it help diagnose system issues early?
Yes, it helps technicians spot liquid conditions that may indicate problems.

Is it suitable for professional HVAC servicing?
Yes, it’s designed for commercial and industrial refrigeration and air conditioning use.

Does it support accurate system monitoring?
Yes, the clear viewing window improves monitoring and maintenance accuracy.