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