Product details
The Castel 3940/5 moisture and liquid indicator is engineered to give technicians a dependable visual tool for assessing moisture levels and liquid presence in refrigeration and air conditioning systems. Featuring a 1/2″ copper braze connection, it integrates seamlessly into compatible refrigerant lines and offers a clear viewing window that signals both moisture and liquid conditions. Built with durable materials for professional performance, this indicator helps improve maintenance accuracy and ensure reliable system operation in commercial and industrial cooling environments.
Key Benefits
Provides clear visual indication of moisture contamination and liquid presence
Helps detect system issues early to protect components
Supports accurate diagnostics and maintenance
Durable construction for dependable long-term use
Improves cooling system reliability and performance
Specifications
Product Type: Moisture & Liquid Indicator
Model: 3940/5
Connection Size: 1/2″ Copper Braze
Category: Refrigeration Valves & Accessories
Sub-Category: Sight Glasses & Moisture Indicators
Application: Refrigeration and air conditioning systems
Function: Visual monitoring of moisture and liquid condition
Brand: Castel
Applications
Moisture and liquid presence monitoring in HVAC systems
Refrigeration line inspection and diagnostics
Commercial and industrial cooling maintenance
Professional HVAC and refrigeration servicing
FAQs
What is the purpose of the 3940/5 moisture & liquid indicator?
It visually indicates both moisture contamination and liquid presence in the system.
What connection type does this indicator use?
It features a 1/2″ copper braze connection.
Why is detecting moisture and liquid important in refrigeration systems?
Moisture and liquid can reduce efficiency and cause damage, so early detection helps prevent issues.
Is this indicator suitable for commercial HVAC applications?
Yes, it’s designed for professional refrigeration and air conditioning systems.
Does it support efficient maintenance and diagnostics?
Yes, its clear viewing window helps technicians assess system condition accurately
