The MRCOOL MCAESAS4T4821AA Signature Series is a 48,000 BTU, 4-ton split system air conditioner condenser designed for efficient residential and light commercial cooling. It works with a compatible indoor evaporator coil and air handler to circulate refrigerant, remove heat from indoor air, and release it outdoors through the condenser unit. Used in split-system HVAC installations, th... https://www.partshnc.com/mrcool-signature-series-air-conditioner-condenser-mcaesas4t4821aa