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Opella Dual-Flush Siphon 220mm Product Code: 20824

Dual-flush toilet siphon with variable flushing volumes (4 and 6Ltr) and internal overflow. Compatible with most lever operated cisterns. Manufactured in the UK.


1½" BSP Connection. Volume: 4 / 6Ltr.
Additional Information
Technical Specification
  • Brand : Opella
  • Product Height : 280 mm
  • Product Length : 220 mm
  • Product Type : Dual-Flush Siphon
  • Volume : 4 / 6 Ltr
  • Connection Type : 1½" BSP Connection
  • Pack Size : 1
  • Manufacturer Guarantee : 1 Year Guarantee
  • Pieces in Pack/Case : 1
  • Toilet Fitting Type : Fill & Flush Valves
Product Contents
Siphon, backnut, seal, coupling nut, washer and c-link.
Delivery & Returns


Standard delivery: €15

Free delivery on all orders over €70.00

Click here to see information on our delivery charges and times



Hopefully you won't need to return an item, however, if you do, it is our aim to make this as simple as possible. By following the guidance below you can help us to help you when a product is not what you expected, or is faulty. Your statutory rights are not affected by this guidance.


Click here to see information on returns and cancellation

€5.75 Incl. 20% VAT

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Opella Dual-Flush Siphon 220mm is rated 4.5 out of 5 by 407.
Rated 4 out of 5 by from A quick fix A slick buy & collect resulting a good quick and inexpensive fix.
Date published: 2019-01-05
Rated 5 out of 5 by from Non Flushing Toilet sorted Great value for money, easy to fit, sorted out non flushing toilet in no time at all,
Date published: 2019-01-01
Rated 5 out of 5 by from Great value I Replaced one of these before in another cistern, so very happy to buy another, straightforward and no problems. Great price and easy click & collect from Screwfix.
Date published: 2018-12-22
Rated 5 out of 5 by from opella syphon Great pce of kit fits just about all loos they have a good selection of products its all in one shop so no need to look elsewhere
Date published: 2018-12-21
Rated 5 out of 5 by from Top notch Very great product and superb value for money. Easy to fit
Date published: 2018-12-20
Rated 5 out of 5 by from Great value and easy to fit What a fantastic value item, simple to fit with minimum skills required. Full instructions included, three different flush settings, would be hard pushed to find better value for money.
Date published: 2018-12-18
Rated 1 out of 5 by from Absolute rubbish I'm amazed Screwfix even stock this item. The bottom of the syphon is not finished very well at all, it was uneven and has rough plastic bits so it is not possible to get a fully watertight seal against the washer and the cistern. Wasted hours on this before noticing this was what was causing the leak. In the end I used the rubber washer from this on the old syphon and perfect fit first time - threw this rubbish away. Don't these manufacturers do any quality checks on their products any more?
Date published: 2018-12-16
Rated 5 out of 5 by from Simple Siphon Very simple to fit and works well. Exceptional value.
Date published: 2018-12-13
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