🚒💧 Choosing the Right Nozzle - High Pressure or Low Pressure? 💧🚒 Firefighter Jeff Goarley shares insight on when to choose a low-pressure nozzle, especially in situations where small water is needed. 1️⃣ Why Switch to Low Pressure? For departments moving away from a 100 psi fog nozzle, a low-pressure nozzle offers low reaction force, easy control and a small amount of water when it's tactically appropriate. 2️⃣ Slide Valve – Metro nozzles utilize a slide valve, not a ball valve. This setup a