1.5″ Foam Toilet Doughnut Washer (55mm x 92mm) | Cistern to Pan Seal
£0.95
1.5-Inch (55mm ID) Foam-Rubber Donut Seal – 92mm OD Replacement Washer for Close Coupled Toilets
1.5″ Foam Toilet Doughnut Washer (55mm x 92mm) | Cistern to Pan Seal
- High-quality foam-rubber doughnut washer for a watertight cistern seal
- Dimensions: 55mm Internal x 92mm External x 12mm Thickness
- Specifically designed for 1.5-inch (38mm) toilet syphon and flush valve outlets
- Soft-foam construction provides excellent compression to bridge uneven gaps
- Durable, resilient material designed to withstand constant water pressure
Technical
- Internal Diameter: 55mm
- External Diameter: 92mm
- Thickness: 12mm
- Compatibility: 1.5″ (38mm) Flush Outlets
- Material: High-Density Foam Rubber
Your old donut washer will probably be flat, distorted and out of shape. It probably used to look like this when brand new!
You should ALWAYS replace the donut when doing repairs on your toilet, that involves removing the cistern from the pan. They don’t usually work twice
Details
This Small Foam Doughnut Washer provides a reliable and flexible seal for your close-coupled toilet. Specifically, we have designed this 1.5-inch (1 1/2″) siphon seal using a high-density foam that compresses more easily than standard solid rubber. With an internal diameter of 55mm and an external diameter of 92mm, it sits perfectly around the flush outlet to prevent leaks. For example, when you tighten the cistern bolts, the 12mm thick foam expands to fill the specific contours of the pan and cistern joint. Consequently, you can achieve a secure, leak-proof connection even if the ceramic surfaces are slightly irregular.
A leaking joint between the cistern and the pan is often the result of a washer that has hardened or flattened over time. Furthermore, because there are so many different sizes of “standard” washers, many homeowners accidentally buy a version that is too large or too thick for their specific suite. As a result, the cistern may sit unevenly or continue to drip despite the new part. However, this Precision-Sized Foam Donut Washer solves these sealing and compatibility issues effectively. By matching your old seal to these 55mm x 92mm dimensions, you can ensure a perfect fit before you even start the repair. Consequently, this creates a dry, stable union that prevents water damage to your bathroom floor without the need for over-tightening.
Brand:
- VIVA
MPN:
Related
Collection from our store – Once purchased you will receive an email or call to confirm if your order is ready to be collected straight away or estimated date if we do not have some of the items in stock.
Delivery
Our warehouse ships orders Monday to Friday with a 14:00 cut off time for same day dispatch, any orders placed after 14:00 will be shipped the next working day. If for reason we do not have the goods in stock we will call.
Delivery to United Kingdom (Mainland)
Royal Mail 48 Tracked – Delivery 2 – 3 working days from dispatch
Royal Mail 24 Tracked – Delivery 1 working day from dispatch
DPD Next Day – Delivery guaranteed next working day with a 1hour time slot.
Collection from our store – Once purchased you will receive an email or call to confirm if your order is ready to be collected straight away or estimated date if we do not have some of the items in stock.
Delivery
Our warehouse ships orders Monday to Friday with a 14:00 cut off time for same day dispatch, any orders placed after 14:00 will be shipped the next working day. If for reason we do not have the goods in stock we will call.
Delivery to United Kingdom (Mainland)
Royal Mail 48 Tracked – Delivery 2 – 3 working days from dispatch
Royal Mail 24 Tracked – Delivery 1 working day from dispatch
DPD Next Day – Delivery guaranteed next working day with a 1hour time slot.
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Genuine Fluidmaster PRO73UK replacement flush valve seal. Manufactured from high-grade silicone, this washer is designed to provide a 100% watertight seal for the PRO73UK dual flush valve series. Pro Tip: If your toilet has a slow, constant leak into the bowl, you likely don't need a whole new valve. Check the bottom of your current seal for small bubbles or "blisters"—this is a common reaction to chemicals in the water. Replacing just this washer is a 60-second job that saves the cost of a plumber and a full cistern teardown.









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