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Arroll UK18 Angled Thermostatic Radiator Valve TRV, Ornate Head & Lockshield 128x91mm, 15mm x 12”


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The UK-18 Thermostatic Radiator Valve

The UK18 valve by Arroll is a traditionally styled thermostatic radiator valve with ornate head and lockshield.

  • Includes 2 valves with compression connection
  • Made from solid brass with wax sensor
  • Frost Protection
  • CE certified for European Conformity.
  • Temperature Control
  • 5 Year guarantee

Arroll cast iron radiators have an easy elegance and glamour that will compliment all kinds of interior decors. Perfectly matched for cast iron and column radiators, there’s few radiator accessories that combine this beauty with functionality.

Unlike other valves which sometimes use inaccurate thermostats, the French thermostat has a wax sensor that provides more accurate readings, meaning you can rest easy in the knowledge that your rooms will be kept at the correct temperature.

Every Arroll radiator valve comes with a 5-year manufacturer's guarantee for your peace of mind.

Looking for something different? Please view our other radiator valves.


  • Download: Specification
  • Product Code: Arroll UK-18
  • Dimensions: H 128 x W 91 x D 64 mm
  • Angled/Straight Connection: Angled
  • Frost Protection: With Frost Protection
  • Valve to Pipe: Standard 15mm Compression fitting
  • Valve to Radiator: 1/2 " BSPT Male
  • Working Pressure: 10 bar
  • Product Contents: Radiator Valve & Lockshield Valve
  • Radiator Valve Type: Thermostatic Valve
  • Smart Compatibility: Not Smart
  • Temperature Range: 0 - 110 °C
  • Valve Body Material: Brass
  • Finishes: Antique Copper / Old English Brass / Pewter / Polished Nickel / Brushed Nickel / Black Nickel / Chrome Plated
  • Manufacturer Guarantee: 5 Year Guarantee

*All dimensions are approximate to allow for manufacturing tolerances. Please take this into consideration when planning for your purchase.

Recommended Heating System Connection

  • Recommended that thermostatic radiator valve is connected to the ‘flow’
  • Lock Shield valve is connected to the ‘return’

For any installation advice please contact Arroll before installation.

Delivery & Returns

  • FREE Delivery on all orders over £500. Orders under £500 will be subject to a £12 charge.
  • 3-7 Days Delivery on most items, subject stock availability.
  • Bespoke orders such as painted baths may take up to 5 weeks. Please contact us to check lead times, before placing your order.
  • Date & Time Delivery as standard, our courier partners will agree with you a specific date and time so you will happily receive your bath, convenient to you.
  • When receiving larger items such as a bath, we recommend at least 2 able bodied persons, to carry the bath inside.
  • Please visit our Deliver & Returns page for further details.
  • In the unlikely event you are not entirely satisfied with your purchase, please email to discuss how to return goods.
  • We have a 14 day returns policy, providing the item is in the same condition received; unused and in original packaging.
  • All Bespoke or custom specification orders should be cancelled with 48 hours. If orders are cancelled after 48 hours, you may be subject to a £15 charge.
  • Bespoke or custom specification orders cannot be cancelled or refunded once production begins.
  • Delivery charges are non-refundable, re-stocking fees may apply
  • Please visit our Delivery & Returns page for further information.


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