Feb 11, 2009 #1 RBaehre Mechanical Joined May 16, 2006 Messages 1 Location US Does anyone know where I can get published information on the proper/typical application for the use of Pressure Relief Doors (PRD's)in Low pressure HVAC duct systems? Thank-you in advance.
Does anyone know where I can get published information on the proper/typical application for the use of Pressure Relief Doors (PRD's)in Low pressure HVAC duct systems? Thank-you in advance.