To provide for intelligent and safe operation of a boiler, a full complement of gauges and safety devices should be provided.

These include:

●      Water gauge (water level indicator)

●      Pressure gauges.

●      Safety valves:

●      Dead weight safety valve:

●      Spring loaded safety valve

●      Lever safety valve

●      High steam low water safety valve

●      Fusible plug

●      Feed check valve

●      Stop valve

●      Blow – off cock