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Automatic air vent, 3/8″ & 1/2″
Our ESAVB automatic air vent is designed for domestic and commercial heating systems.


● 3/8″ and 1/2″ BSP connections for easy installation
● Vacuum break to prevent air locks reducing chance of call backs to site
● Simple to service with heat-resistant polypropylene float for long life and dependability
● Saves time and lowers costs when commisioning new heating systems

Product Description

Our ESAVB AAV allows quick and easy removal of trapped air from sealed heating systems, reducing commissioning time on site and on-going corrosion saving energy & lowering bills.

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