The Revo HeaterCore is a heating and sensing architecture for E3D's RapidChange Revo ecosystem. It combines a powerful heater and temperature probe into a convenient, compact package. The HeaterCore secures onto a Revo-compatible cold side using a Revo HeaterCore spring (included). After it's attached, just screw in a Revo Nozzle and you're ready for simple, tool-free nozzle swaps that don't need