Product details
Moisture Indicator Copper Braze Connection 1/2″ 3940/4 Castel
The Castel 3940/4 moisture indicator is installed in refrigeration and HVAC liquid lines to provide a clear visual check of refrigerant condition. The built-in sight glass allows technicians to confirm proper refrigerant flow, while the moisture-sensitive element indicates the presence of unwanted moisture.
Moisture inside a system can lead to corrosion, ice formation, and compressor damage. This indicator helps identify such issues early, reducing the risk of breakdowns and costly repairs.
With a 1/2″ copper braze connection, it is designed for secure installation in copper piping systems commonly used in commercial and industrial HVAC applications.
Key Benefits
Provides clear visual refrigerant flow indication
Detects moisture presence in the system
Helps prevent corrosion and compressor damage
Copper braze connection for secure installation
Supports preventive maintenance and diagnostics
Specifications
Brand: Castel
Model: 3940/4
Product Type: Moisture Indicator
Connection Size: 1/2 inch
Connection Type: Copper braze connection
Function: Refrigerant flow and moisture indication
Body Material: Brass
Application: Refrigeration and air conditioning systems
Applications
Commercial refrigeration systems
Air conditioning installations
Cold storage facilities
Industrial cooling systems
HVAC system inspection and servicing
FAQs
What is the purpose of this moisture indicator?
It shows refrigerant flow and indicates whether moisture is present in the system.
Why is moisture detection important?
Moisture can cause corrosion, ice formation, and compressor failure if not addressed.
What type of connection does this model use?
It uses a 1/2″ copper braze connection for secure installation.
Is it suitable for commercial HVAC systems?
Yes, it is designed for professional refrigeration and air conditioning applications.
