Watts 0590715 Automatic Float Vent, 1/8" FV-4M1

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Watts 0590715 1/8" FV-4M1 Automatic Float Vent Watts 0590715 Automatic Float Vent, 1/8" FV-4M1 The Watts FV-4 Series automatic air vent valve is designed for both commercial and re sidential 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 1/8" bottom tap and a 1/8" 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 from high-temperature resistant polyethylene, enhancing reliability and extending the valve's service life. At Watts, our family of brands offers one of the most varied product lines in the world. Simply put, if you're moving, removing, heating, treating, or reusing water, we have everything you need to get the job done. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. From melting ice on entire city blocks from the ground up, to filtering safe drinking water in isolated, weather disaster zones, you need water and water needs Watts. Key Features ✅ Maximum Pressure: 150 psi (10 bar) ✅ Temperature Range: 33F - 240F (5C - 116C) ✅ Float is high temperature resistant polyethylene ✅ Suitable for use with glycol systems ✅ Impurities do not usually affect function as maximum float line of water is always lower than the valve seal ✅ Product Dimensions: 3.4 x 2 x 2 inches; 4.8 ounces Shipping & Guarantees ✅ FREE standard shipping within the United States (3–6 business days) ✅ 100% money-back guarantee for lost or damaged items ✅ Secure checkout with encrypted payment processing ✅ Shipping via UPS, FedEx, and USPS ✅ Ships to lower 48 states only (no PO Boxes / APO / FPO) Returns ✅ 30-day hassle-free returns ✅ Items must be unused and in original packaging ✅ Full refund if item is not delivered ✅ Guaranteed delivery within 6–7 business days Payment Methods ✅ Credit Cards, PayPal, Shop Pay, Apple Pay, Google Pay, Amazon Pay, Meta Pay Customer Support ✅ Questions? Contact us at [email protected] respond within 24 hours on business days. SEO Title: Keywords: Category: Industrial & Scientific Subcategories: Hydraulics, Pneumatics & Plumbing, Fittings, Valves, Float Valves Show more