Ideal Standard Disinfection Interlock — A861276NU
The Ideal Standard A861276NU (also recognized under Armitage Shanks) is a specialized disinfection interlock component designed for the Markwik 21+ and Safe SQ clinical tap ranges. This critical internal part is engineered to facilitate the thermal disinfection protocols required in healthcare environments, ensuring the safety and hygiene of water outlets in hospitals, dental surgeries, and laboratories. As a genuine manufacturer spare, it guarantees a precise fit within the sequential thermostatic mixer body.
Technical Identification:
MPN: A861276NU | Ref: FTB10297 | Compatibility: Markwik 21+ / Safe SQ Mixers | Type: Interlock + Spring Assembly
Key Features
- Infection Control: Supports the maintenance of HTM standards in clinical settings.
- OEM Engineering: Specifically designed for sequential lever-operated thermostatic mixers.
- High Durability: Constructed to withstand high temperatures during thermal flushing cycles.
- Complete Unit: Features the interlock mechanism and spring for a full restoration of safety functions.
Application Note
This part is typically located within the mixer bore, often associated with the removable spout assembly or the Bioguard antibacterial outlet. We recommend professional installation to ensure the thermostatic safety features of the clinical mixer are correctly maintained.



