Description
Caleffi 502630 Robocal Automatic Air Vent — 3/8″ Male
The Caleffi 502630 Robocal is a high-quality automatic air vent engineered for hydronic heating and cooling systems. Trapped air is one of the leading causes of reduced system efficiency, noisy pipes, and circulator pump damage — the Robocal addresses all of these issues by continuously and automatically purging air from the system without manual intervention.
Designed with Caleffi’s signature reliability and precision engineering, the 502630 features a 3/8″ male threaded connection for straightforward installation into a wide range of hydronic piping configurations. Its compact, durable construction makes it ideal for use in residential and light commercial boiler systems, radiant heating loops, and fan coil applications.
Key Features
- Automatic air venting — continuously removes trapped air from hydronic systems
- 3/8″ male threaded connection for easy installation
- Compact Robocal design fits tight installation spaces
- Durable internal float mechanism for reliable, long-term operation
- Reduces system noise caused by air pockets in piping
- Helps maintain circulator pump efficiency and longevity
- Suitable for residential and light commercial hydronic applications
- Manufactured by Caleffi — a globally recognized leader in hydronic system components
Applications
- Hydronic heating and cooling systems
- Radiant floor heating loops
- Boiler distribution piping
- Fan coil units
- Chilled water systems
Why Choose Caleffi?
Caleffi is a world-class manufacturer of hydronic system components trusted by HVAC professionals across the globe. Their Robocal series automatic air vents are engineered for dependable, maintenance-free performance — keeping your hydronic system running quietly and at peak efficiency season after season.
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