Waters Xevo G2-XS QTof Overview And Maintenance Manual page 209

To avoid damaging the probe heater's electrical
Notice:
connections, do not twist the heater when removing it from the
probe assembly.
2. Gripping the probe heater as shown, carefully pull it off the probe
assembly.
3. Dispose of the probe heater in accordance with local environmental
regulations.
Probe heater
To avoid contaminating uncontaminated
Warning:
surfaces with biologically hazardous, toxic, or corrosive
materials, dispose of the probe heater according to
local environmental regulations.
Replacing the IonSABRE II probe heater
April 2, 2015, 715004496 Rev. B 209