Skip to content

Armitage Shanks Markwik 21+ Panel Mounted Thermostatic Basin Mixer, Single Sequential Lever, Demountable with Fixed Spout

Save £240.34
Original price £799.34
Current price £559.00

Panel mounted thermostatic basin mixer with lever operation. Mainly used as a healthcare hospital mixer (TB H2a).Single lever sequential operation ensures both hot and cold water is drawn on each use. Long lever gives precise control. Insulated technology keeps the 'hot' side of the mixer at a safe surface temperature. Includes a built-in thermal cleansing feature. Variant available with removable spout for autoclave sterilisation, body demounts from panel for submergible disinfection and Bioguard outlet also helps protect against bacteria.

Conformsto HTM64 (2006), PRH 8941.0.6, HTM04-01, HBN 00.09.


  • Front access D-08 auditing & servicing
  • Conforms to HBN 04-01 Addendum 2014
  • Demount, submerge and disinfect
  • Bioguard against bacteria
  • Thermal disinfection feature
  • Available with fixed or removable spout


  • Material: Chrome Plated Brass
  • Weight: 3.60Kg

Special notes

Single lever for on/off operation and temperature control. Especially suited to medium and large hospital pattern integral back outlet basins and washing associated with clinical or nursing procedures. Fitted with an Armitage Bioguard outlet which reduces the opportunity for biofilm attachment and is lined with anti-microbial copper. Unique built-in thermal disinfection cleansing feature. Body demounts for submergible disinfection. Suitable for high and low pressure systems. Flow rate regulated to maximum of 10 Litres per minute. A separate purging kit is available to facilitate initial installation flushing and water sampling.

Illustrated Code


  • A6735AA: Markwik 21+ Panel Mounted Lever Mixer Fixed Spout


Click for A6735AA 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.

Found this product cheaper somewhere else? With our Price Match Promise, we'll match the total cost (including delivery) to any other online retailer**.

Complete our short Price Match form and our dedicated team will see if the item is eligible.

No Price Matching after purchase.

We're rated 'Excellent'!