When to use: Use this planner to lay out a pre-engineered UL 300 wet-chemical hood suppression system per NFPA 96. Each appliance, duct opening, and plenum section consumes a number of nozzles and flow points. The total flow points must not exceed the agent tank's rated capacity. Appliance nozzle counts scale with the cooking-surface footprint against the listed coverage area; duct openings each require a single dedicated nozzle and the plenum requires continuous coverage at the listed spacing.