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Tre Mercati Roma Exposed Thermostatic Shower Valve - 978A

QS-V31940 MFC CODE: 978A


RRP: £216.00 You Save £114.58 on RRP

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2 out of 2 customers rated 70%

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Sleek, trendy, elegant and highly functional, would aptly describe Tre Mercatis Roma Thermostatic Shower Valve. The exposed valve, with its impressive resplendence and glorious finish, gives a touch of class to the bathroom. This creation, with dual lever, is easy to operate and is sure to satisfy the user with its efficacy and performance.  Approved by WRAS, the user-friendly product is suitable for all plumbing systems. The manufacturer backs it with a 10-year guarantee.

+  Read what's included..

Download the Installation Instructions Pdf File

Please Note all the measurements are in 'mm'
Colour Chrome
Warranty/Guarantee 10 Years
Theme Modern
Installation Type Wall Mounted
Minimum Operating Pressure (Bar) 0.1
Handle Style Knob
WRAS Approved Yes
Temperature Control Thermostatic
Number of Handles 2
Plumbing Option Exposed
Maximum Operating Pressure (Bar) 5


  • Manufacturing code of this product is 978A
  • Chrome finished
  • WRAS approved
  • Suitable for all plumbing systems
  • Dual lever operation
  • Required pressure : operate at minimum 0.1 bar to maximum 5 bar (balanced water supply preferred)
  • Temperature maintained to within +/-1ºC
  • Pre-set maximum temperature
  • Automatic shut off in event of water failure
  • Easy access for servicing and maintenance
  • The company is ISO 9001 Certified
  • Download installation instructions from technical tab
  • Guaranteed for 10 years from the manufacturer.
This Item is also available in:
  • Gold 969

Sizes Available
Other Sizes / Finishes / Variations Available.
QS Code Finish Size / Difference MFC Code
QS-V79083 Gold - 979A

Total: £101.42 2 Working Days Approx QS Supplies

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Questions & Answers

  Submit Your Questions 3 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

We have exposed Thermostatic shower valve 978A in our bathroom, we can not adjust the water temperature. Do we need to clean the two filters or replace the shower valve complete?

Answered By QS Team :
Thank you for your query, We are sorry that you are having a problem with your Tre Mercati valve. We have attached the instruction manual for the Roma valve, please download from the technical tab. It is possible that stripping the valve down and cleaning the parts in water or white vinegar/a descaling agent (if necessary depending upon your water quality) will solve the issue. If you are unsure of what to do or wish to make any claims under the guarantee (for example, if the thermostatic cartridge needs replacing and is less than 3 years old), then, we recommend you contact the company that supplied/fitted the valve. We hope this is useful.

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Roma shower valves 975A/978A. What are the benefits of double ended? Your product QS9081 is this double ended valve.

Answered By QS Team :
Hi, this would have the benefit of having both a rose and a handset in use at the same time.

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Hi, please, can you tell me what this item will deliver in terms of litres/min. Tre Mercati Roma Exposed Thermostatic Shower Valve - 978A Thanks

Answered By QS Team :
It all depends on what kit you put with this but at an open end, it gives the following: - 0.5 bar – 12.5 litres/min, 1 bar – 17.9 litres/min, 2 bar – 22.5 litres/min.

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