• Quality constructed from heavy-duty galvanized steel, 24 to 22 ga, depending on size Commonly used to relieve built up pressure in zoned duct system Sliding weight can be adjusted to open when a certain pressure is reached

The Famco PRD pressure relief/barometric damper is commonly used to relieve built up pressure in zoned duct system that could potentially cause damage to HVAC equipment. The sliding weight can be adjusted to open when a certain pressure is reached. All zone systems should have a pressure relief system installed. Quality constructed in heavy-duty galvanized steel sizes 6 to 14 are 24 ga and sizes 16 to 18 are 22 ga. The Famco PRD pressure relief/barometric damper come in sizes ranging from 6 to 18 in diameters. The Famco PRD pressure relief/barometric damper is manufactured by Famco in the United States and comes with a 1 year warranty against product defects and workmanship.