Automatic Air Vent Valve with Brass Body
This automatic air vent valve is designed for use in heating and cooling systems to automatically release trapped air. It features a durable brass body and a red cap for manual venting.




Technical Specifications
Overview
High-Efficiency Automatic Air Vent
This automatic air vent valve is engineered for heating and cooling systems to effectively release trapped air, preventing airlocks and reducing system noise. Constructed with a durable brass body, it ensures long-term reliability and improved thermal efficiency in radiators, boilers, and underfloor heating applications. The design features a manual venting cap and is built to withstand high-temperature and high-pressure environments common in professional HVAC installations.
Technical Specifications
Maximum Temperature
Maximum Pressure
- Body Material
- Brass
- Model Number
- JL-5103
Sizing & Variants
Available Sizes
| Article Number | Connection Size |
|---|---|
| JL-5103 | 3/8" |
| JL-5103 | 1/2" |

Application
Compatible Systems
- Radiators
- Boilers
- Underfloor Heating Systems
- HVAC Cooling Systems
- Key Benefits
- Prevents AirlocksImproves EfficiencyReduces NoiseCorrosion Prevention
Design Features
- Venting Mechanism
- Automatic with manual override red cap
- Installation
- Threaded connection for easy piping integration



