What is a fail-safe thermostat?

Answer by  shopaholic7503 (94)

A fail-safe thermostat is a product in the automotive industry that is used for cars to give protection from overheating.

Answer by  Amber40 (24961)

Well a thermostat is designed to allow the flow of water or other liquids above a set temperature. IF the thermostat fails it will stay close stopping the coolant and can cause overheating. Fail-safe models are made so that they fail open. Eliminating the possibility of this happening.