About hvac system working principle
WG means H2o Gauge. WG is part from the measurement unit for that tension of fan and pump. IN.WG which means inch water gauge is definitely the Imperial unit for strain. For instance, ducts are Generally designed with 0.1 in.wg of stress loss for every 100 ft of duct length.CRU stands for Condensate Restoration Unit. CRU is actually a tank or simpl