5 Simple Statements About hvac system diagram Explained
WG means Water Gauge. WG is an element from the measurement device to the stress of supporter and pump. IN.WG which stands for inch water gauge could be the Imperial device for strain. Such as, ducts are normally designed with 0.1 in.wg of strain reduction for each one hundred ft of duct size.HRV stands for Heat Get better Ventilator. HRV is actual