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The Watts 0590716 FV-4M1 Auto Air Vent is a crucial component for hydronic heating systems, ensuring optimum air circulation and removal. Suitable for both commercial and residential settings, this valve automates air venting in water distribution systems. Manufactured from durable brass with a 1/4 inch female NPT connection, it facilitates a seamless integration into your existing setup.
This air vent valve supports a maximum pressure of 150 psi and accommodates temperatures ranging from 33 degrees Fahrenheit to 240 degrees Fahrenheit. Its design includes a silicone rubber seal air vent and polyethylene float with valve plug for reliable performance. Easily disassembled for routine inspection and cleaning.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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