Description
The Conbraco Industries 37LF-201-01 is a Vacuum Relief Valve used to protect HVAC systems from harm that may be caused by vacuum pressure. It works through its ability to open to admit ambient air in the system when the pressure indoors falls to certain level of pressure. This eliminates the formation of bad bends and collapses of ducts, piping, and other parts which are hazardous to the proper functioning of the HVAC System. At a practical airflow rate of 15 CFM at 1/2” size and a pressure rating of 200 PSI, this valve can be used in bias, residential, and light commercial HVAC systems. It assists in the regulation of system pressure and avoids expensive repairs and system inefficiency.









