Installation drawing of rural gas heating boiler

  • Troubleshooting Steam Heating Boiler Problems

    Jul 09, 2010 · Check the Pressure Gauge. Most steam heating boiler systems are calibrated to run at very low pressures—usually ½ psi. Mineral deposits and dirty water can lead to blockages in the piping that will cause pressure to build up within the system, much like heating an empty boiler would. When this happens, a safety valve will shut off the burner Learn More