Relief Collar
PartA flange on the unit casing for the building's relief or exhaust duct, allowing displaced air to escape. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
A flange on the unit casing for the building's relief or exhaust duct, allowing displaced air to escape. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.