Watts FV-4M1 Brass Automatic Air Vent Valve 1/4" Female Threaded NPT

Key features

• AIR VENT VALVE: The Watts FV-4 Series automatic air vent valve is used in commercial and residential hydronic heating applications to provide automatic air venting for hot or cold water distribution systems. This valve keeps the temperature balanced for optimal use.
• HIGH TEMP RATING: Our automatic air vent valve is ideal for use with glycol systems or for use as an anti-vacuum device. It can also be installed to permit the separation and dispersal of air while fluid is circulating within the system.
• THERMAL EXPANSION PROTECTION: It features a 1/4" bottom tap as well as a 1/4" NPT male threaded inlet. Pressure rated to 150 PSI (10 bar) at the maximum temperature of 240 F (116 C). Valve can be easily disassembled for inspection and cleaning.
• HIGH QUALITY PARTS: This part comes with a bronze body, ensuring exceptional durability and resistance to corrosion. Ideal for demanding environments, this valve meets stringent industry standards for quality and a long-lasting performance.
• EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions.

The Watts FV-4 Series automatic air vent valve is designed for both commercial and residential hydronic heating systems, ensuring efficient air removal in hot or cold water distribution systems. This valve is crucial for maintaining system performance by automatically venting air that can cause issues such as noise and reduced efficiency. The valve is highly versatile, with a high-temperature rating making it suitable for glycol systems and as an anti-vacuum device. It is engineered to handle the separation and dispersal of air while fluid circulates through the system, which helps to maintain smooth and effective operation. Key features include a 1/4" bottom tap and a 1/4" NPT male threaded inlet, allowing for easy installation and integration into existing systems. The valve is pressure rated up to 150 PSI (10 bar) and can handle temperatures up to 240°F (116°C). For ease of maintenance, the valve can be disassembled for inspection and cleaning, ensuring longevity and consistent performance. Constructed from durable brass, the Watts FV-4 Series valve is built to withstand the demands of light commercial and residential hydronic heating applications. The float mechanism is made fr

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