Greenheck WRH Louvered Gravity Relief Ventilator 4-Inch Depth

The Greenheck WRH is a louvered gravity relief ventilator with a 4-inch depth profile, engineered for reliable passive pressure relief in commercial and industrial building ventilation systems. Its louvered design provides weather protection while allowing excess air pressure to exhaust naturally, balancing building pressure without mechanical assistance.

Built to Greenheck's exacting standards, the WRH features durable construction suited for rooftop and wall-mount installations, offering contractors and engineers a dependable, low-maintenance relief ventilator for a wide range of building types and HVAC configurations.

Ideal for commercial, institutional, and industrial buildings requiring dependable louvered gravity pressure relief ventilation in a compact 4-inch depth profile.