• Safety child lock
• Disconnects the heater, when the water temperature exceeds the
safety limit, reconnects it automatically, after the temperature decreases
• Cuts off the gas, when the flame is extinguished for any reason to
prevent leakage of gas
• Cuts off the gas, in the case the temperature reached its maximum
• Disconnects the heater, in case it is used for more than 20 minutes
continuously, automatically reconnects it
• Sensitive to high exhaust temperatures