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Armitage Shanks Sentry 21 Washbasin, 1 Centre Taphole with Wave-On Sensors, Control Box and Thermostatic Valve

Save £804.16
Original price £2,297.16
Current price £1,493.00
CODE: S332101

The Sentry 21 basin is designed and tested to be vandal proof and avoid ligature points wherever possible. The basin and fittings are suitable for use in high security areas including prisoner and mental health applications. It is intended for ducted installations where all pipe work and the control box are concealed behind a wall or panel.The product has been successfully tested at HMP test centre at Lindholme. The techniques employed to construct this product are used very successfully in the field of ballistic armour. High resistance to cyclical stresses and dual stage failure mode. This provides excellent impact resistance and will not be subject to catastrophic failure. High chemical resistance and resistance to ultraviolet effects.


  • Suitable for Safe Cell and mental health use
  • Lock-out system
  • Impact and chemical resistant
  • Tactile/Wave-on sensor controls


  • Weight: 12.92Kg
  • Width: 450mm
  • Depth: 300mm

Special notes

Unfortunately we cannot guarantee protection against those intent on self-harm, but we consider that the design and materials used reduce the risks significantly. Must be installed using specialist Anti-Pick mastic sealant. Suitable for 150mm wall thickness. For smaller wall thickness please specify the optional 100mm pipe. For larger wall thicknesses please contact our technical department on the number below.

Illustrated Code


  • S332101: Sentry 21 basin with one centre taphole, control box & thermostatic valve - wave on controls


Click for S332101 Data Sheet

Estimated Delivery: 2-5 working days †.

Free Standard UK Delivery is available on all products to most of the UK!*

We use our own delivery team, as well as courriers and direct shipments from distributors and manufactuers for fast, safe and secure deliveries. We advise to make arrangements with plumbers and fitters after your order has arrived. 

To find out more, visit our Delivery & Returns page.

Stock Availability

While we stock a limited number of products within our warehouse, other products may be stored elsewhere by suppliers, distributors or direct from manufacturers themselves. This means that some products may experience longer lead times than others. If this is the case, we aim to notify you as soon as possible and if you're happy to continue new stock will be ordered.


A notification to Unbeatable Bathrooms must be made within 30 days of receipt of your goods, in writing via email to and fully outlining the relevant issue/cause for the requirement to return the said goods.

†Estimated delivery is based on average delivery times. This timescale may vary based on individual items. If the estimated delivery date exceeds 5 days, we will notify you accordingly.

*Free Standard Delivery to UK mainland only - excluding Scotland.

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