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Mira Excel thermostatic cartridge assembly (451.71)

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In Stock RRP £202.15
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  • Product Description:

    Mira 451.71 Excel thermostatic cartridge assembly.

    This product is for shower models made after 2003.

    For Mira Excel/Select models prior to 2003, please see the Mira 903.33 thermostatic cartridge assembly instead.

    Product code also known as Mira 1.451.71.3.

    The Mira Excel thermostatic cartridge assembly (451.71) is a genuine, brand new Mira product, covered by a minimum 1 year Mira manufacturer's guarantee.

    Available for same day despatch if ordered before 3:30pm Monday-Friday (otherwise despatching will be on the next working day). For the delivery options available for this product, please add it to your Basket or see our delivery options page.

    Not what you're looking for? See all Mira shower cartridges or try our unique Shower Spares Finder.

    For advice on this or any product, please call 01452 619836, email us at support@showerspares.com, or see our contact page.

    Product Specifications:

  • The Mira Excel thermostatic cartridge assembly (451.71) will fit the following 6 products.

    List(s) are sorted by product type and then alphabetically.

    Hover overTap any icon below to see a preview of that model.

    May fit other products.

    If you are unsure of your product model, or would like more information, please contact us.

  • A selection of the latest reviews for the Mira Excel thermostatic cartridge assembly (451.71) can be read below:

    • Plumber states part was first class. Arrived quickly once ordered.

      Henry Dey

    • Easy to fit and works well, the online video for fitting and temperature adjustment is very useful. The only problem was releasing two screws when taking out the old cartridge.
      The purchasing was easy and item arrived within two days. I would deal with NSS again

      Anthony Purvis

    • Arrived in good time and is working well.

      Doreen Wheeler

    • Great Service and product.
      Clean again !

      Duncan Snow

    • Very fast delivery very good price and a great product.
      Simple to fit and works perfectly

      James Bower

    • Once the water is turned off, this shower is a delight to work on. once the control levers and trims are removed the cartridge is held by four screws, once removed the cartridge will be able to be pulled from the valve body. ensure the old seal is removed along with the inlet filters. the new filters fit in well, grease the inlet seals and slide in the new cartridge securing it with the four screws. Total disassembly and refitting time was under 10 minutes.

      Mark Rose

    • We purchased our cartridge assembly on line which was very easy, the video was excellent and very easy to understand and well executed, cartridge arrived on time and well packaged. Watched the video and fitted with ease. The two filters inside we found exceptionally useful as ours had blocked. Only 1 thing that we could say needed was more grease as it came in a tiny little plastic tube and there was hardly any in. Overall from watching the Video to ordering on line and fitting excellent and would highly recommend

      Julie Burt

    • First class service and Delivery

      Paul Butcher

    • Worked perfectly, and excellent service.

      TW PLUMBER

    • Arrived quickly, great price. Will definitely use again.

      Jo Jones

    • cannot fault the service 5 star

      Alan Cox

    • Peter Dawson very good service and helpfull staff

      Peter Dawson

    • Complete kit received and fitted. No problem.

      Richard Bayley

    • GOOD SERVICE

      Michael Darragh

    • An excellent and easy replacement of the shower cartridge for the normal DIYer. Good instructions on how to install. Not quite clear on how to make adjustments but I worked it out.

      Paul Barrow

    • Excellent service and a great price. would recommend.

      Alan Kidd

  • Do you have a question about the Mira Excel thermostatic cartridge assembly (451.71)?

    Click the button below to send a question to one of our expert members of staff and we will email you back a direct response. If we feel the information might be useful to other customers, we will also show your question below for others to see.

    Ask a Question

    • Hi, I have this cartridge and the hot and cold settings are all to cock when I tried to clean it. Does the new one come ready set for use? Do I just pop it in and away you go? Thanks

      Hello, it is ready to fit, you may have to tweak the max temp setting, full instructions in with the new part.

    • I have a Mira excel shower post 2002 and the hot water supply stopped so I pulled the cartridge out and found that the hot water inlet wasn't opening as the plastic that slides the Bakelite plate has snapped. just wondering if that part can be sold separately?

      Hello, very sorry, but Mira do not do spares for the cartridge, just a complete cartridge.

    • how do I stop my Excel from dripping

      Hi, you will need to replace the Mira Excel cartridge 451.71, there is no way to recalibrate the cartridge.