Ideal Standard Idealux Thermostatic Control Cartridge — A952538NU11
The Ideal Standard A952538NU11 is the authentic Idealux thermostatic control cartridge, precision-engineered for Armitage Shanks and Ideal Standard basin taps. This high-performance component is responsible for maintaining consistent water temperatures and ensuring user safety. As of 2025, this part has been discontinued by the manufacturer with no official alternative, making it a critical spare for maintaining legacy Idealux installations.
Identification Guide:
MPN: A952538NU11 | Range: Idealux / Armitage Shanks | Product Type: Thermostatic Cartridge | Status: Discontinued (No Replacement)
Key Features
- Exact Calibration: Factory-set to provide accurate temperature blending for basin applications.
- Genuine Quality: Ensures long-term reliability compared to generic third-party alternatives.
- Safety Integrated: Designed to prevent thermal shock by reacting instantly to pressure changes.
- Direct Fit: Specifically compatible with Armitage Shanks thermostatic basin mixers using the Idealux system.
Technical Note
Due to the manufacturer's decision to cease production of the A952538NU11 in 2025, we highly recommend sourcing this genuine unit while stock lasts. There is currently no recommended "plug-and-play" alternative from Ideal Standard for this specific control model.