Hose, Nozzle, and Flow Tactics: Expert Insights from Jerry Herbst

In this episode of Two Vollies and a Guest, veteran firefighter and training expert Jerry Herbst dives into practical fire attack strategies that every department needs. With 45 years in the fire service and extensive experience as a training officer and equipment specialist, Herbst breaks down the critical relationship between hose sizing, nozzle reaction, and flow rates. He stresses the importance of flow testing with gauges and meters to move beyond unreliable friction loss estimates. 

Herbst also shares proven tactics for managing larger lines like 2½-inch hose and portable deck guns, emphasizing consistency and efficiency. This is especially critical when manpower is limited. Throughout the discussion, he highlights the need for effective, repeatable plays that prioritize safety and occupant survival.