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