mount the unit on the return air duct at least 12 inches upstream of the humidifier bypass or any internal heat sources to ensure it samples true ambient air

Built with a 1 1/2 inch NPT threaded connection

those part numbers are interchangeable

and DX3 series models

though the wire gauge and insulation are rated for standard HVAC control signal duty

Advanced Distributor Products 65608202 Slant Coil R-407A mount the unit on theThe Advanced Distributor Products 65608202 Slant Coil is a high performance K2 Slant Coil engineered as a critical OEM replacement evaporator coil for packaged terminal air conditioners (PTAC) and specialized HVAC systems. Designed for maximum heat transfer efficiency, this unit features a unique sloped architecture that optimizes condensate drainage and prevents water carryover in compact spaces. Built by Advanced Distributor Products (ADP), this