The TC4419Y L’Unité Hermétique (Lunite) compressor, manufactured by Tecumseh, is a compact, fully hermetic reciprocating refrigeration compressor designed for commercial refrigeration applications. It is built to provide reliable cooling performance and efficient refrigerant circulation in suitable refrigeration systems. The TC4419Y model features an electric starting system and is designed for use with compatible refrigerants and system configurations.

The TC4419Y-UZ1B variant is listed with a 4.75 cm³ displacement and weighs approximately 8 kg.