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The automatic SpiroTop air vent ensures sturdy, long-lasting passive protection against unwanted free air in water systems, preventing component damage and failure. It is available for pressures up to 25 bar and temperatures up to 200 degrees Celsius. The air vents feature robust valve seats and floats for extended system protection. They cover a range of pressure and temperature needs, shielding water systems from air and component hazards. With solid construction, including durable floats and valve seals, the installation is hassle-free and provides consistent passive protection. These vents are reliable, making them an essential component for keeping water systems safe and efficient.. Spirotech SpiroTop AVV 1/2 inch Brass Automatic Air Vent - 180 Degrees Celsius (10 Bar) AB050/002 SV5-002