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Free Saturday Delivery on orders over £75

Product Details

• WRAS approved
• 5 year product warranty
• 42mm (1.1/2”) diameter outlet
• Can be retrofitted onto existing Turbo 88 downleg without dismantling a cistern
• Extends from 191mm (7.1/2”) to 241mm (9.1/2”) to provide a convenient solution that fits most lever operated cisterns

• 6/7/9 litre convertible
• Ideal for use as a replacement in most ceramic, exposed and plastic concealed cisterns
• Dudley Duoflush delivers water-saving reduced flush when lever is held down, and full flush when the lever is depressed and released.

• All product component replacement parts available see - Spares packs readily available -
• Water Technology list registered (Businesses can write off 100% of investment in the Turbo 88 against tax in the year of investment)

Technical Specification
Manufacture ID BS88080D
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm
Due to temporary service restrictions our estimated delivery time is currently 2-3 business days
£5 Free
Turbo usually Next Business Day before 12 noon Temporarily unavailable £10 £5
Remote areas standard delivery (2-4 days) £5 Free
Order Value: Under £25 Over £25 but less than £75 £75 & Over
£10 £5 Free

Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details
If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 9pm Mon-Fri (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Thomas Dudley Turbo 88 8" is rated 4.8 out of 5 by 25.
Rated 5 out of 5 by from Perfect adjustable replacement for toilet syphon Great product, worth the cost as it is adjustable to fit lost toilets. It makes future replacement easier due to the design and it can be adjusted to most cisterns.
Date published: 2020-04-02
Rated 5 out of 5 by from Better than a Bog standard syphon This is a brilliant product, I have never replaced a syphon before but following the instructions given on the Youtube video it was very easy and now I will not have to take the whole systern apart again, just replace the removable reservoir.
Date published: 2020-03-26
Rated 5 out of 5 by from "Flushed" with success - intended pun After researching for suitable replacement units decided on this *because* of the adjustable height... AND cheaper than the other fixed height. Helps that the syphon part is replaceable *without* having to dismantle the toilet cistern from the base.
Date published: 2020-02-19
Rated 3 out of 5 by from Somewhat flimsy The plastic base ring that the goes against the o-ring rubber seal inside the cistern is not that overly rigid - so you need to be careful with how tight it is screwed on underneath the cistern otherwise it can buckle and also distort the o ring seal - which makes the syphon useless. For the price I would expect the base ring to be more solid.
Date published: 2020-02-11
Rated 5 out of 5 by from Great product I bought this to replace a syphon in a close coupled Cistern. Easy to fit and easy to adjust height. Flushes first time every time so far.
Date published: 2020-02-10
Rated 5 out of 5 by from replacing old syphon Easy to fit, seems like good quality, works well, nice powerful flush - needed wide spanner to turn the 65(?)mm nut underneath, as was bigger than my DIY tools - needed extra 4 inch C-clip to reach the lever - had to tighten a little more after a few flushes - probably me being too gentle at first
Date published: 2020-02-06
Rated 5 out of 5 by from Simpe cistern change Great product, easily fitted.
Date published: 2020-02-05
Rated 3 out of 5 by from Only one problem Unless this has changed since I fitted one, it works the wrong way. In order to get a short flush, the handle has to be held down for 4 to 5 seconds. The result is that most of the time people will not bother, be in hurry etc. and therefore long flushes will happen by default. If your objective is to save water/reduce bills be aware of this.
Date published: 2020-01-30
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