$3.39 Excl. VAT
O-ring blue fits 7100 5100
O-ring blue for Wittenborg 7100/7600 is also used for the FB 5100
Wittenborg item number: 39400641
- Various faults on Wittenborg NW FB7100, BTC 7100, FB 7100 plus, FB7100 maxi.
- Lime in water tank.
- Poor cleaning of the brewer.
- Overflow water into the inlet valve. "no water in display"
- Defective heating element / overheating (Ph value on water must not be below 7)
- Pump defective (changed every 3 years)
- Whisk engine defect
- Vring leaking
- dosing Engine
- Water tank / boiler leaking (changed after 5 years incl. All rubber seals and hoses)
- Delta brews errors
- Sigma brews mistakes.
- Turns on the software program.
- Gears on the coffee mill break model BTC 7100
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