About hvac system components
WG stands for Drinking water Gauge. WG is a component of your measurement unit for your strain of lover and pump. IN.WG which means inch water gauge would be the Imperial unit for strain. One example is, ducts are normally designed with 0.1 in.wg of stress reduction for each one hundred ft of duct size.MFD means Motorized Fire Damper. MFD can be a