The ICP CRMANDPR001A03 Manual Outdoor Air Damper is designed to provide a simple, cost-effective solution for introducing constant fresh outdoor air into compatible commercial packaged HVAC rooftop units. Operating on a stationary manual basis, this factory-engineered accessory allows a fixed volume of outside air to enter the building whenever the unit's supply fan is running to meet essential ventilation requirements.

Constructed from durable galvanized steel for long-lasting performance, this manual damper assembly includes an outdoor air hood with an integrated, reusable aluminum mesh filter to keep moisture and large debris out of the system. The damper features manually adjustable blade positions, enabling HVAC technicians to set and lock the precise fresh air intake needed for the space during installation or routine maintenance.