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Premier Quest Rectangular Twin Concealed Thermostatic Shower Valve

With / Without Diverter Available




RRP: £355.00


5-7 Working Days Approx

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Shipping: £5.95

Other Variation Available
OP-146054 - Without Diverter
+  Read what's included.. & options available
Please Note all the measurements are in 'mm'
Colour Chrome
Shape Rectangular
Warranty/Guarantee 5 Years
Material Brass
Theme Modern
Installation Type Wall Mounted
Minimum Operating Pressure (Bar) 0.1
Flow Rates (l/min) 0.1 bar - 5.5
Handle Style Lever
WRAS Approved Yes
Temperature Control Thermostatic
Backplate Width 120
Backplate Height 215
Anti-Scald Yes
TMV2 Approved Yes
TMV3 Approved Yes
Number of Handles 2
Orientation Vertical
Plumbing System Compatibility Suitable For Shower Pumps, Combi Boilers And Gravity-Fed Systems
Plumbing Option Concealed
Maximum Operating Pressure (Bar) 4
Concealed Body Included Yes
Separate Flow and Temperature Controls Yes

Premier Quest QUEV51 DETAILS

When you install this Twin Concealed Shower Valve, you are buying a style statement along with peace of mind. Made from solid brass and finished in chrome, this valve is brought by the Quest range from the house of Premier Bathroom, a company that proudly wears “Made in Britain” tag. The valve features a cartridge that resists calcium buildup. It is suitable for all plumbing systems and is ideal for unvented mains pressure systems. This valve can either be fitted portrait or landscape style.

  • Available in with or without diverter [Optional]
  • Comes in chrome finish
  • Separate controls for temperature and flow [operates one shower accessory: fixed head or slide rail kit]
  • Size: Width 120mm x Height 215mm
  • Suitable for all plumbing system
  • Manufactured from top quality solid brass
  • Minimum water pressure recommended for smooth working is 0.1 bar [LP-Low Pressure] and maximum 4.0 bar [HP-High Pressure]
  • Minimum water flow rate is 5.5 litres per minute at 0.1 bar water pressure
  • TMV2 and TMV3 certified [manufactured to the highest standards to safeguard against accidental scalding]
  • WRAS approved
  • Even if the water pressure fluctuates, the thermostatic valve control to +/- 2 to 3°C
  • Full thermal protection to prevent scalding in the event of hot or cold water shut off
  • In case of hot and cold water supplies comes in a wrong way - no need for re-plumbing [simply remove the cartridge, turn 180 degrees and replace]
  • Cartridge fitted is patented and is highly resistant to calcium build up even in hard water areas
  • Anti scald - built-in anti-scald device allows hot water to be blended to a safe temperature and will shut down automatically in 1.5 seconds in case of cold water failure
  • Suitable for shower pumps, combi boilers and gravity-fed systems
  • Excellent flow rates - even at low pressure
  • Ideal for unvented mains pressure systems
  • Can be installed vertically or horizontally [portrait or landscape]
  • Refer technical drawing for complete size details please
  • Download installation instructions manual PDF from technical tab
  • 5 years of guarantee from manufacturer.


  • Available Variants With Manufacturing Code:
  • Without Diverter - QUEV51
  • With Diverter - QUEV52.

Total: £121.18 5-7 Working Days Approx QS Supplies

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Questions & Answers

Submit Your Questions 2 Questions Asked

Have a question about this item? Ask our tech team. We aim to reply within 72 hours. If you want to know get answers fast, please call us on 0116 251 0051

Mark Asked :
Can you tell me where I can obtain a replacement diverter valve cartridge for a Lauren Quest Dual control built in shower valve code QS-V92198. Regards Mark

Answered By QS Team :
Please could you send us a picture of the valve so that we can advise correctly on the cartridge required. You can email the picture to kylie @ qssupplies.co.uk

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0   2

Keith Asked :
Hi there, is the thermostatic cartridge in this unit able to be taken out and reinstalled upside down if the hot and cold feeds have been reversed?

Answered By QS Team :
Hi Keith, Thank you for your query. The Thermostatic cartridge can be taken out and installed 180 degrees (upside down) and Hot and cold feed reversed. Hope this answers your query.

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At QS Supplies, we use trustworthy carriers for deliveries across UK, Scotland and Ireland. We also follow an up-to-date tracking system to keep you posted on the status of your orders. Delivery dates are approximate, and therefore, we suggest you do not schedule any installation work until you have received the items. To learn more about our delivery service, click here.


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