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The automatic SpiroTop air vent offers durable, passive protection against unwanted air in water systems, preventing component damage. Suitable for pressures up to 25 bar and temperatures up to 200 degrees Celsius, it ensures long-lasting performance with robust valve seats and floats. The vent is available in various pressure and temperature ranges, providing reliable protection for your water system. Its solid construction and durable seals make it a dependable choice. Installation is hassle-free, ensuring passive protection.. Spirotech SpiroTop AVV 1/2 inch Brass Automatic Air Vent - 110 Degrees Celsius (16 Bar) AB050/030 SV5-30