intex pure spa Pump Water Flow Sensors from model no SSP-H-20-1 &1C | eBay
ESPeasy et Spa Intex - Protocole domotique - Communauté Jeedom
GitHub - ripleyXLR8/intex-SSP-H-20-1-ESP32_spa_manager: A replacement for the motherboard of the Intex Spa SSP-20 using an ESP32. It adds remote control trough MQTT protocol and a REST server. It also increase the reliability