Maintenance Waterpilot FMX21
70 Endress+Hauser
11 Maintenance
No special maintenance work is required.
Terminal box: Keep the pressure compensation tube and GORE-TEX® filter free from
contamination.
11.1 Exterior cleaning
Please note the following points when cleaning the device:
• The cleaning agents used should not corrode the surface and the seals.
• Mechanical damage to the process isolating diaphragm, e.g. due to sharp objects, must
be avoided.
• Only clean the terminal box with water or with a cloth dampened with very diluted
ethanol.