EPH CP4 Combipack Thermostat Installation (From Start to Finish) | 24V or 230V & Set Up Guide

Breakdown & Wiring Book: https://book.advancedboilertraining.c... Installation of an EPH CP4 Combipack thermostat on either 24V or 230V. Install is done on a Vaillant EcoTec Pro Tools used in this video: Knipex Ergostrip: https://amzn.to/3jLl4NP Voltage Tester Screwdriver: https://amzn.to/3HXHeEF Nws Multi Cutters: https://amzn.to/3XosG6n Nest Thermostat: https://amzn.to/40MAr9b EPH Thermostat: https://amzn.to/3Xxmr0r