SpiroTop -Brass

10 Bar
Max 110°C

A brass air vent for heating- and cooling systems with a ½" connection

The benefits of the AB SpiroTop, fully automatic air vent

  • Special valve construction ensures valve is closed completely
  • Long lasting valve seat
  • Solid plastic, robust floats which cannot rupture
  • Large air gap between the valve and the water (at least 40 mm) prevents valve contamination and leaks
  • Applicable with 50/50 Ethylene Glycol / Water (Volume)
  • ½" connection prevents pipette effect

Variation specifications


ETIM Specifications

The positioning of the SpiroTop

Free air in a heating or cooling system always raises to the highest point in the installation (components). Therefore, the SpiroTop air vents always need to be installed at the highest point in the installation. 


Positioning of SpiroTop Air Vent

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