Thomas Dudley Auto Cistern - 13.5 Litre

The Thomas Dudley D Auto Cistern is a high-quality solution designed for efficient water managemen...

Best current price£86.08from City Plumbing GB

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9 offers from £86.08 - £136.88

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City Plumbing GBThomas Dudley White D Auto Thermoplastic High Level Cistern Pduwha314825
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£86.08
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B&QB&Q - D Auto Thermoplastic High Level Cistern White Pduwha314825
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£103.44
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The RangeThomas Dudley 9.0 Litre Dudley D Auto Cistern - 25Mm Outlet - White
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£108.77
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eBayThomas Dudley 9.0 Litre Dudley D Auto Cistern 25mm Outlet
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£111.19
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OnBuy.comThomas Dudley 9.0 Litre Dudley D Auto Cistern - 25Mm Outlet 5013241563246
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£117.24
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Product Information

Full details

The Thomas Dudley 13.5 Litre Auto Cistern is engineered for facility managers and plumbing professionals who require a reliable, automated flushing solution for commercial or public washroom environments. Its primary benefit is providing consistent, maintenance-free operation that ensures high hygiene standards in high-traffic areas, though users should note that its large 13.5-litre capacity requires sufficient wall space for installation and standard water supply pressure to operate correctly.

All features

Model Part Number314494
BrandArley

Extended Product Information

FAQs

What is the capacity of this cistern?

This unit has a capacity of 13.5 litres.

Is this suitable for domestic use?

While it can be used, it is primarily designed and sized for high-traffic commercial and public washrooms.

Does it require electricity to operate?

The Thomas Dudley Auto Cistern typically operates on a mechanical syphon principle rather than electrical components, but check your specific installation guide for flow requirements.

How do I maintain the auto-flush feature?

Regular cleaning of the internal components and ensuring the water supply remains free of sediment will maintain consistent performance.

Can this be installed in a concealed wall space?

Yes, provided there is adequate access for future maintenance of the internal mechanisms.

Troubleshooting

Cistern takes too long to refill

Check the water supply pressure and ensure the inlet valve is fully open and free of sediment.

Constant flushing or water running

Inspect the internal syphon for damage or debris and ensure the float valve is properly adjusted to the correct water level.

Weak or incomplete flush

Verify that the water level inside the cistern is reaching the intended volume and ensure no blockages exist in the flush pipe.

Pros and Cons

Pros

  • High capacity ensures effective waste removal
  • Reliable automated mechanism reduces physical wear
  • Robust construction suited for high-traffic environments
  • Trusted brand quality from Thomas Dudley

Cons

  • Large physical footprint may not fit all compact washrooms
  • Requires professional installation for optimal flow
  • Higher water consumption per flush compared to low-flow domestic models

Setup, Compatibility & Care

Installation of this 13.5-litre unit should be handled by a qualified plumber to ensure all pipework connections are sealed and the water supply is properly regulated. When setting up, ensure the mounting surface is capable of supporting the weight of a full 13.5-litre unit. For ongoing care, it is recommended to conduct periodic inspections of the internal syphon and float valves to prevent debris buildup. Always ensure the water supply lines remain clear of sediment to maintain the precision of the automatic flushing timing.

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