The RKB is a compact, high capacity, rectangular centrifugal fan that can be installed in any position. RKBs are UL705 approved. It connects to rectangular ducts and features backward curved impellers ...
In the world of HVAC, the “V” for “ventilation” can get overlooked, and instead the focus winds up being on the “H” and “AC” for heating and air conditioning. So to recognize the importance of the “V” ...