Product details
Dehydrator Filter with Solid Core 1/2″ Copper Braze 4216/5 Castel
The Castel 4216/5 dehydrator filter with solid core is engineered to protect refrigeration and air-conditioning systems by removing moisture, acids, and solid particles from the refrigerant circuit. Installed in the liquid line, it helps maintain system efficiency and extends the life of compressors and expansion devices. The 1/2″ copper braze connection ensures secure installation and long-term durability in commercial environments.
Key Benefits
Removes moisture and contaminants from refrigerant
Solid core design for effective filtration
Protects compressors and expansion valves
Improves system efficiency and reliability
1/2″ copper braze connection for secure installation
Specifications
Brand: Castel
Model: 4216/5
Product Type: Dehydrator Filter with Solid Core
Connection Type: Copper Braze
Connection Size: 1/2″
Installation: Liquid line mounting
Application: Refrigeration and air-conditioning systems
Applications
Commercial refrigeration systems
Air-conditioning liquid line protection
Cold storage installations
HVAC maintenance and servicing
FAQs
What is the function of this dehydrator filter:
It removes moisture, acids, and solid particles from the refrigerant.
What type of core does this model use:
It uses a solid core filtration design.
Where is this filter installed:
It is installed in the liquid line of refrigeration and HVAC systems.
Why is moisture removal important:
Moisture can cause corrosion, ice formation, and system failure, so removing it ensures reliable operation.






