Heating Replacement Spares have all the SIEMENS boiler parts you may require for your heating appliance, our boiler spares profile for SIEMENS spares are as follows SIEMENS Automatic air vent, SIEMENS Burners, SIEMENS Casings, SIEMENS Control knobs, SIEMENS Diaphragms, SIEMENS Electrodes, SIEMENS Expansion vessels, SIEMENS Fans, SIEMENS Flow switches, SIEMENS Gas valves, SIEMENS Gauges, SIEMENS Heat exchangers, SIEMENS Injectors, SIEMENS Microswitches, SIEMENS Printed circuit boards, SIEMENS Pressure switches, SIEMENS Pressure gauges, SIEMENS Pumps, SIEMENS Temperature gauges, SIEMENS Thermistor sensors, SIEMENS Thermocouples, SIEMENS Thermostats, SIEMENS Transformers, SIEMENS Wiring harnesses etc, when purchasing SIEMENS heating spares from Heating Replacement Spares you can guarantee you will receive genuine manufacturer SIEMENS boiler spare parts.