BWT AA075FBA08 SpiroVent Solar AC 3/4" Autoclose, internal thread, 10bar/180 C – 860039

Microbubble separator automatically closes the vent valve below the evaporation temperature using bimetallic technology. For continuous removal of air and microbubbles from solar circuits. Optimal protection against steaming with non-closable permanent vent valve with right-angled drilled blow-out opening. Brass housing suitable for water and water/glycol (glycol at least 20% and maximum 50%) temperature resistant up to 180 degrees C