The Copeland 943-0120-00 Secure Start Module Kit is an electronic compressor starting accessory designed for compatible Copeland compressors used in air conditioners, heat pumps, and refrigeration HVAC systems. It manages compressor startup by controlling electrical current and reducing inrush amperage, allowing smoother and more reliable operation. This module helps minimize mechanic... https://www.partshnc.com/kit-secure-start