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Ultra LST Collection


The Towelrads Ultra LST product is a state-of-the-art Low Surface Temperature Radiator solution where protecting the vulnerable is a priority. The Ultra LST is tested and certified to the latest NHS Estates “Safe” criteria which supersedes the previous DN4 testing standard. This ensures no part of the casing will exceed 43 degrees at any time guaranteeing maximum safety and peace of mind.


Sizes & Colours > How to Order >



Features & Benefits
Internal Standard compact radiator EN442 certified including wall brackets.
Two stage installation process meaning emitters can be initially installed and covers delivered to site only when required for second fix, reducing any storage on site and eliminating risk of damage.
New wipe clean case design with no sharp edges.
Additional casing & RAL colour options available.


Details & Sizes

  • The Ultra LST is available in 3 heights (500mm, 650mm and 800mm) and in eight lengths from 600mm to 2000mm wide, with the option of a plinth and a choice of 2 TRVs (external as standard).
  • Casings can be retro fitted to existing radiator installations if necessary.
  • “Easy Clean” facility where the casing Cover drops forward on fully supported hinge system allowing one-person easy access cleaning.
  • RAL 9016 robust 1.5mm single piece powder coated casing included with an antimicrobial coating.
  • Cover hinges are fully retractable allowing complete removal for deep cleaning.
  • Fully compliant to NHS ‘Safe’ Hot Water And Surface Temperatures Health Guidance 1998 and HSE Health Services Information Sheet No.6 ‘Managing The Risks from Hot Water And Surfaces In Health & Social Care’.
  • Secure locking system to prevent unauthorised access to the internal TRV.
  • Surface temperature below 43˚C at Dt50 80˚C/60˚C/20˚C or 75˚C/65˚C/20˚C.
  • Universal internal capillary TRV capability.
  • No need for a plinth, with front facing bottom grille set 50mm off the floor.
  • One Single casing depth 130mm suits both T11 and T22 radiator types.
  • Outputs certified and CE marked to EN442, independently tested by EN442 accredited test laboratory.
  • High pressure capability 10 bar working pressure.
  • 5 year warranty on casing and 10 year warranty on the emitter.
  • Covers now supplied with heavy duty pencil proof bar grilles to maximise airflow, maximum aperture 7mm.
  • All covers supplied with bottom grille to prevent access to the emitter in full compliance to NHS Estates Guidelines.
  • Available with ½” BSP x 15mm angled tamper proof internal capillary TRV or external capillary TRV that can be fitted LH or RH with matching lock shield valve.

LST Casing Options – Price on Application

LST Heavy Duty 2mm casing
The Ultra LST is also available with a heavy duty 2mm casing for those high traffic areas where extra durability is required.

LST Super Heavy Duty 2.5mm casing
The LST Ultra can also be manufactured with a 2.5mm Super Heavy Duty casing for those installations where reinforced casing strength is paramount.

LST Anti-Corrosion
For areas of high humidity, the LST Ultra Anti Corrosion product is the ideal solution. The casing is finished with a Zintec coating  to enable an anti-rust finish where required.

Flat Panel Horizontal Type 11



Optional RAL Finishes Available

Call us today on 01628 625367 or email [email protected] to order >  


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How to Order

If you are ready to order or have some further questions please do get in touch with us!  To make it as easy as possible in any scenario, we have 4 ways of getting your questions answered or your orders placed;

  • During office hours (8am – 5pm) Phone our orders team on 01628 625 367 and speak to our friendly, experienced and knowledgeable staff.
  • During office hours (8am – 5pm) Use the Live Chat service here and get instant responses to your questions, queries or order requests.
  • Out of office hours please fill in the Contact Us form here. This will be picked up the following working day and a representative will be in touch to answer any questions or get back to you to finalise and confirm your orders.
  • At any time, night or day, by clicking on the Whatsapp icon at the bottom right hand side of the screen you are able to directly message Towelrads from your phone or desktop. We will respond as soon as we can.
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