My water heater is dead so I only get room temperature water from the building’s boiler. Showering is dreadful. I am thankful that for the last 30-odd years I

My water heater is dead so I only get room temperature water from the building’s boiler. Showering is dreadful. I am thankful that for the last 30-odd years I could always get hot, drinkable water just by opening a tap. I never even questioned it because it was so reliable.