CA-3740/5 Moisture Indicator 5/8″ Castel

The Castel CA-3740/5 moisture indicator is used in refrigeration and air conditioning systems to visually check refrigerant flow and detect the presence of moisture. By providing a clear sight glass and color indication, it helps technicians quickly assess system condition during operation.

Proper moisture control is critical in HVAC systems, as excess moisture can cause corrosion, ice formation, and compressor damage. This indicator supports preventive maintenance by allowing easy monitoring without system disassembly.

Built for professional installations, it ensures reliable performance in commercial and industrial refrigeration applications.

Key Benefits

Provides visual indication of refrigerant condition
Detects moisture presence in the system
Helps prevent moisture-related system damage
Supports quick and easy maintenance checks
Durable construction for long service life

Specifications

Brand: Castel
Model: CA-3740/5
Product Type: Moisture Indicator
Connection Size: 5/8 inch
Function: Refrigerant flow and moisture indication
Body Material: Brass
Viewing Type: Sight glass with moisture indicator
Application: Refrigeration and air conditioning systems

Applications

Commercial refrigeration systems
Air conditioning installations
Cold storage systems
Industrial cooling units
Routine HVAC maintenance operations

FAQs

What does a moisture indicator do?
It visually shows refrigerant flow and indicates whether moisture is present in the system.

Why is moisture monitoring important?
Excess moisture can damage components and reduce system efficiency, so monitoring helps prevent failures.

Is this suitable for commercial HVAC systems?
Yes, it is designed for professional refrigeration and air conditioning use.

Can it be used during system servicing?
Yes, it allows technicians to quickly check refrigerant condition during maintenance.