The MRCOOL MCAESHS4T4221AA Signature Series 42K BTU 3.5 Ton Split System Heat Pump Condenser is an outdoor HVAC unit designed for compatible MRCOOL split-system heat pump applications. It works with a compatible indoor air handler or coil to transfer heat between indoor and outdoor air, providing both heating and cooling. Designed for 42,000 BTU systems, this condenser supports effici... https://www.partshnc.com/mrcool-signature-series-42k-heat-pump-condenser-mcaeshs4t4221aa