AB-20004 2-1/2 Inch Pressure Relief Valve - High Quality Brass Safety Valve for Water Systems, HVAC & Industrial Equipment

The purpose of a relief valve is to release the pressure buildup also known as backpressure in a blower system Backpressure will cause the blower motor to overheat resulting in a burnt out motor and bearing failure Backpressure is the number one cause of motor failure in regenerative blowers A simple installation of a relief valve with proper calibration can prevent unwanted and unnecessary blower replacements saving you time and money Features. 25 Relief Valve. Pressure Vacuum. AdjustableSpecifications. Dimension 9 H x 4 W x 4 L