Check the listing for details. COVER BLACK FLOMATIC 424 / 454 # 1521. Condition: New. Listed at 12.69 USD. Gregoriou Brothers Refrigeration Since 1979Frosty-Freeze COVER BLACK FLOMATIC 424 / 454 # 1521 COVER BLACK FLOMATIC 424 / 454 Flomatic valves are available in sanitary push lever and push button configurations. Automatic fill lever, and portion control models are available upon request. Modular in design they are suitable for carbonated and non-carbonated applications. We carry a full line of Flomatic valves and replacement parts to meet your service needs. COVER BLACK FLOMATIC 424 / 454 Flomatic valves are available in sanitary push lever and push button configurations. Automatic fill lever, and portion control models are available upon request. Modular in design they are suitable for carbonated and non-carbonated applications. We carry a full line of Flomatic valves and replacement parts to meet your service needs.