Редуктор давления - давление в водопроводе холодной и горячей воды в Харькове - защита бойлера

Due to the shutdown of hot water in a European city, and sometimes it happens for more than six months, you have to install a boiler. How to protect yourself from a boiler leakage and possible other devices that are connected to water? Measurement of pressure of cold and hot water. Installation of a pressure reducer.