BMT PROMETCO 420433 Float Level Switch (Generator) – 8261

The BMT PROMETCO 420433 is a float level switch for generator applications, identified as model 8261. It detects liquid level in a reservoir or tank by means of a buoyant float mechanism and triggers a switch contact when the level rises or falls past a set point. The switch is used in medical equipment generators and similar systems where fuel or coolant level monitoring is required for safe operation or maintenance alerting.