TinnerFlow™2nd YearVAVs & Fan CoilsYELLOW · Check First
Yes, always. A VAV box contains a motorized damper, an electrical heater coil (often), and an actuator. It is too heavy to let dangle off sheet metal joints. * It must be supported independently using its own dedicated all-thread rods, strapping, or a unistrut trapeze anchored directly to the building deck.
Yes, always. A VAV box contains a motorized damper, an electrical heater coil (often), and an actuator. It is too heavy to let dangle off sheet metal joints. * It must be supported independently using its own dedicated all-thread rods, strapping, or a unistrut trapeze anchored directly to the building deck.
Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.