ELI5: Explain Like I'm 5

Aquastat

An aquastat is like a thermometer for the water in your house. It helps control how hot the water gets in things like your shower and sinks. It’s a special device that senses the temperature of the water and tells your heating system to turn on or off so that the water stays at the right temperature. Think of it like Goldilocks trying to find the perfect temperature for her porridge – not too hot and not too cold – just right! The aquastat helps make sure your water is always just right.