Experience quiet, efficient heating with our Midline Valve 6I622 Radiator Steam Coin Key Air Valve. This compact, chrome-plated steel valve balances air accumulation in your heating systems smoothly and silently, with no hissing, clicking, or banging. Its heavy-duty construction ensures rust and corrosion resistance, making it a durable choice for your home. Measuring just 1 inch wide, 2 inches long, and 1 inch high, it fits neatly into tight spaces and decorative applications. Easy to install and use, it features a secure, leak-free connection and automates your venting, requiring no manual intervention. Ideal for balancing convector radiators, radiant baseboards, and radiant panels, this valve is a reliable addition to your heating system.