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Cistern Spares

Your toilet cistern holds the water that is necessary to flush your toilet after use. It is an essential part of a sanitary bathroom system. Another common term for a cistern of a toilet is its tank. In most modern toilets, you’ll find the cistern attached to the back of the toilet. You might find the cistern mounted high above the toilet in older bathrooms.


17 Products
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Masterflow Valve Ball Float

Masterflow Valve Ball Float

Masterflow | Not Yet Rated £1.08
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Viva Bolt Through Kit

Viva Bolt Through Kit

Viva | Not Yet Rated £2.03
Viva Skylo Side Entry Ball valve

Viva Skylo Side Entry Ball valve

Viva | Not Yet Rated £3.11
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Viva Skylo Bottom Entry Ball Valve Offset

Viva Skylo Bottom Entry Ball Valve Offset

Viva | Not Yet Rated £3.95
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Viva Skylo Dual Flush Height Adjustable Syphon

Viva Skylo Dual Flush Height Adjustable Syphon

Viva | Not Yet Rated £5.17
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Viva Skylo Bottom Entry Float Valve

Viva Skylo Bottom Entry Float Valve

Viva | Not Yet Rated £5.75
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Viva Universal Push Button

Viva Universal Push Button

Viva | Not Yet Rated £5.99
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Oracstar O Ring Box

Oracstar O Ring Box

Oracstar | Not Yet Rated £5.99
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Viva Skylo Universal Adjustable Dual Flush Valve

Viva Skylo Universal Adjustable Dual Flush Valve

Viva | Not Yet Rated £9.59
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Viva Skylo Universal Dual Flush Valve

Viva Skylo Universal Dual Flush Valve

Viva | Not Yet Rated £9.59
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Viva Skylo Universal Button And Handle Dual Flush Valve

Viva Skylo Universal Button And Handle Dual Flush Valve

Viva | Not Yet Rated £11.46
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Viva Skylo Universal Dual Flush Valve For Concealed Cisterns

Viva Skylo Universal Dual Flush Valve For Concealed Cisterns

Viva | Not Yet Rated £11.99
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Viva Skylo 3 Part Dual Height Adjustable Syphon

Viva Skylo 3 Part Dual Height Adjustable Syphon

Viva | Not Yet Rated £12.83
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Siamp Unisiphon For Cisterns

Siamp Unisiphon For Cisterns

siamp | Not Yet Rated £16.79

Showing 17 of 17 Products

More Info On Cistern Spares

Cistern parts can help in flushing and ensure the toilet bowl refills with clean water. Cistern spares allow you to address a wide range of issues with your toilet without having to replace it.

Water Flow

Cistern spares help control water flow and prevent overflow and clogs. A valve ball float connects to the incoming water supply and floats with the rising water level. It helps fill the tank and avoid overflow due to low water pressure in your system, or backflow.

A toilet syphon works to push toilet water up and down throughout the cistern to maintain regular flow. A broken syphon will no longer be able to push water into the cistern after a flush.

Leaking Toilet

Washers and O-rings work to tightly seal all cistern parts together to prevent leaks. O-rings seal the drainpipe to avoid splash-up and water damage to your floor. A properly fitting O-ring is also necessary because it keeps out any unwanted sewer gas smells from your bathroom.

The Bottom Line

Maintaining your toilet and replacing faulty cistern spares will extend the life of your toilet. Cistern parts provide inexpensive fixes before toilet and bathroom plumbing issues escalate into expensive repairs.

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