This is a 14-pins control box for the Autofill system (Dual Jet). .
Disclaimer: This 14-pin model is ONLY for 2022 Spa Chairs with Air-Jets. This is not for older control box before 2022.
To replace black control box for 2018-2021 chairs without air-jets, please see Control Box - Auto-Fill
Related Troubleshooting Guide: ECOJET DOES NOT WORK