Filterence
Generic coffee-machine parts representing BRITA Intenza water filter, reference TZ70003; category illustration
Category illustration

Siemens · Parts

Genuine part

BRITA Intenza water filter · Siemens · TZ70003

Official brita intenza water filter reference TZ70003, explicitly listed by Siemens for CT918L1B0. Compare the complete model code before ordering. Model: Siemens CT918L1B0.

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TZ70003

Verified compatibility

Confirmed compatible models

1

Reference TZ70003 is linked only to models for which an explicit match has been verified.

Filters

Role and checks specific to this part

Function. A filter retains particles, deposits or unwanted substances before the protected air or water circuit continues through the appliance.

Before ordering. Reference TZ70003 is linked here to Siemens CT918L1B0. Compare the filtration medium, outer dimensions, sealing edge and any flow direction; a similar-looking cartridge is not enough.

Safe handling. Switch off the appliance, seat the filter without gaps and never force a frame or cartridge that does not lock normally.

Why this part fits

Siemens CT918L1B0

Siemens's official source explicitly lists TZ70003 for the exact Siemens CT918L1B0 model.

Siemens — View at the manufacturerLast checked: 29 August 2026

Availability and references can vary by country. Compare the complete reference before ordering.

Check before ordering

  1. Compare the complete TZ70003 reference without ignoring letters, hyphens or suffixes.
  2. Check that your exact model appears above and that region CH matches your appliance.
  3. The “Genuine part” label describes the part origin and does not depend on the listed merchant.