Facts About hvac system diagram Revealed
WG means Drinking water Gauge. WG is an element of your measurement device to the tension of lover and pump. IN.WG which means inch water gauge is definitely the Imperial device for stress. One example is, ducts are Usually designed with 0.1 in.wg of tension decline for every 100 ft of duct duration.HRV stands for Heat Get well Ventilator. HRV is a