Designed for a wide range of heating applications, this Saillong automatic air vent valve is compatible with hot water radiators, small unit heaters, and various other heating systems. Its universal 1/8 inch size ensures a perfect fit for most setups. Constructed from durable brass, these automatic air vents promise longevity and reliability. Each pack contains two air vents, allowing for continuous operation and less frequent replacements, making them a cost-effective solution for your heating needs. Experience efficient operation with a maximum pressure of 150 psi and a temperature tolerance up to 240°F. These specifications ensure that the air vent valves can handle the rigorous demands of most heating systems without compromising performance. The installation process of our automatic air vent valve is straightforward and does not require professional assistance. Suitable for placement on boilers or at high points in the heating system, they must be installed vertically for optimal air removal. Our automatic air bleed valves are not only easy to install but also act as suitable replacements for your existing system components. Quick and simple to set up, these valves streamline the process of air expulsion, enhancing the efficiency of your heating system. **Product Description:** Automatic Air Vent Valve 1/8 Inch **Specifications:** Material: Brass Connection Type: 1/8" Male NPT Maximum Operating Pressure: 150 PSI Maximum Operating Temperature: 240°F Dimensions: 3.15 x 1.9 inches Color: Brass Package Contents: 2 x Automatic Air Vent Valves