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Product Details

Size is reference to the height of the internal overflow. Measuring from the bottom of the cistern up (7.5, 8, 9 or 9.5 inches) will be where the overflow will be situated on the inside of the valve.

Technical Specification
Manufacture ID DFA09525
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm £5 Free
Turbo usually Next Business Day before 12 noon £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 8pm Mon-Sat (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.
Opella Dual Flush Syphon 9.5" is rated 4.8 out of 5 by 26.
Rated 5 out of 5 by from Excellent! Bought the more expensive Thomas Dudley turbo at over four times the price as this one which had a terrible flush rate (was correctly set) replaced with this one and works perfectly. The black seal is actually of better quality than the Thomas Dudley just shows sometimes more expensive option isn’t the best..
Date published: 2019-11-29
Rated 5 out of 5 by from Great Value Excellent Quality & Price and best of all Made in England !!
Date published: 2019-11-22
Rated 3 out of 5 by from Second time lucky First one had a fault... Second one fine... ok for the price I guess
Date published: 2019-08-29
Rated 5 out of 5 by from Recommended Great for price easy fitting
Date published: 2019-08-25
Rated 5 out of 5 by from Good Value The item is good value for money when converting to a dual flush system. I encountered no problems fitting it. You just have to be careful that you purchase one that is the right height.
Date published: 2019-07-11
Rated 5 out of 5 by from Direct Replacement Direct Replacement for faulty Syphon - took an hour to fit and worked perfectly
Date published: 2019-06-07
Rated 5 out of 5 by from FLUSH WITH SUCCESS The perfect water saving short and long syphonic flush which includes an overflow. The size determines the max-level of water before overflowing down the pan - so measure the Cistern to the base of the overflow and/or flush handle and buy the appropriate model. The only part that will fail, in time, is the acetate membrane however, at this price I would renew the complete unit.
Date published: 2019-06-02
Rated 5 out of 5 by from It's a toilet syphon. It works and does its job I bought this a weekend or so ago to replace a failed unit. Easy to install and works well managed several hundred flushes so far in the house with no issues. But for the price I'm defiantly not complaining
Date published: 2019-05-12
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