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Residential Steam Boiler Controls

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Boiler Controls
steam boiler components

Main control components of a steam boiler

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The steam boiler has basic controls to protect the safety and correct operation of the system including the following items:
  • Pressure Gauge and Regulator: Monitors pressure and shuts off the fuel supply to the boiler if allowable boiler pressure is exceeded.
  • Temperature and Pressure Relief Valve: Releases steam if the pressure gage / regulator fails and pressure builds dangerously high.
  • Water Level Sight Glass: Glass tube that shows water level in the boiler.
  • Low Water Cutoff: Shuts off system if boiler water level drops below required levels.

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