System Matches:Air HandlerRH2T4821MEACJAFeatures:EcoNet™ Enabled product. The EcoNet Smart Home System provides advanced air & water control for maximum energy savings and ideal comfort.New composite base pan - dampens sound, captures louver panels, eliminates corrosion and reduces number of fasteners neededPowder coat paint system - for a long lasting professional finishThe Two Stage Copeland Scroll™ UltraTech™ Compressor modulates between two capacity settings - 67% and 100% - providing more precise temperature control, lower humidity and greater efficiency in comparison to single stage compressors. It uses 70% fewer moving parts which also increases efficiency and reliability.Modern cabinet aesthetics - increased curb appeal with visually appealing designCurved louver panels - provide ultimate coil protection, enhance cabinet strength, and increased cabinet rigidityOptimized fan orifice - optimizes airflow and reduces unit soundRust resistant screws - confirmed through 1500-hour salt spray testingPlusOne™ Expanded Valve Space - 3"-4"-5" service valve space - provides a minimum working area of 27-square inches for easier accessPlusOne™ Triple Service Access - 15" wide, industry leading corner service access - makes repairs easier and faster. The two fastener removable corner allows optimal access to internal unit components. Individual louver panels come out once fastener is removed, for faster coil cleaning and easier cabinet reassemblyDiagnostic service window with two-fastener opening - provides access to the high and low pressure.External gauge port access - allows easy connection of "low-loss" gauge portsSingle-row condenser coil - makes unit lighter and allows thorough coil cleaning to maintain "out of the box" performance35% fewer cabinet fasteners and fastener-free base - allow for faster access to internal components and hassle-free panel removalService trays - hold fasteners or caps during service callsQR code - provides technical information on demand for faster service callsFan motor harness with extra long wires allows unit top to be removed without disconnecting fan wire.High and low pressure standard on all models.