Caleffi 502710A is Automatic air vent for heating systems and radiators. Float type automatic air vent designed to vent air that is released from the water while being heated. Check valve on 5027 series allows an easy replacement of air vent without purging the system. The function of this device is guaranteed by an operating mechanism made of silicon rubber specially designed to vent when pressure reaches high values in the system. This system guarantees that in the rest position the air relief valve will not be affected by any movement of the float.
Features:
Automatic air vent.1/8" and 1/4" M threaded connections.
Brass body and cover
Silicone rubber operating mechanism.
EPDM seals.
Maximum working pressure: 150 psi (10 bar).
Maximum venting pressure: 90 psi (6 bar).
Maximum working temperature: 240°F (115°C).
Anti rotation and anti vibration system of the float.
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