Ideal Standard M21.5 Cache Aerator (3.8 LPM) — A861193NU
Genuine Spare Eco-Flow 3.8L/min Vandal Resistant
The Ideal Standard A861193NU is a specialist Cache aerator used in premium thermostatic and designer basin mixers. It features a Pressure Compensating Aerator (PCA) insert that limits water consumption to a highly efficient 3.8 litres per minute without compromising user experience. The "Cache" design means the aerator screws directly into the tap spout, requiring no external housing for a perfectly minimalist look.
Verified Tap Compatibility
This aerator is the official replacement part for the following ranges:
Contour 21+: A6697AA / A6698AA
Contour 21 Outline: A6790AA
Edit R Mixers: BC710AA / BC712AA
Technical Specifications
- Size: M21.5 (Mini-Cache Size).
- Flow Rate: 3.8 Litres Per Minute (LPM).
- Technology: PCA (Pressure Compensating).
- Stream Type: Aerated (soft and bubbly).



