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