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Intra Cable ECO Concealed Cistern

  • Fits 500mm wide compact furniture
  • Water-saving with 4/2.6 litre dual flush option
  • WRAS approved Optima 50 flush valve

Siamp Intra Cable ECO concealed cistern designed for compact furniture with delayed action, quiet fill.

  Delivery within 1 – 2 working days. Details
  10-year manufacturer warranty
  FREE Delivery on orders over £100 ex VAT

Product Code: 31015010

£47 ex VAT
£56.40 inc VAT

Water-saving cistern with quiet fill. The Siamp Intra Cable ECO concealed cistern is designed to fit 500mm wide compact furniture.

  • 6/4 litre dual flush, on site adjustable to 4/2.6 litres
  • Supplied factory assembled for ease of installation
  • WRAS approved Optima 50 flush valve
  • WRAS approved 99B delayed action inlet valve
  • 1/2-inch brass inlet connection
  • Access cover allows for top and front entry for maintenance
  • Insulated to prevent condensation
  • Height and depth adjustable flush pipe
  • Fits 500mm wide compact furniture


Bottom Inlet

Flushing Capacity (ltr)

6/4, 4/2.6

Product Width (mm)


Product Height (mm)


Product Depth (mm)



WRAS Approved Fittings, EN 14055-2

Warranty (years)


    NBS Specification

    NBS Code – 45-35-70/383 WC cisterns
    N13 Sanitary appliances and fittings – 300 WCS AND CISTERNS
    Uniclass 2015 – Pr_40_20_93_89 WC cisterns

    Product reference: Intra Cable ECO Concealed Cistern
    Supplier: Trade Washrooms
    Web: www.tradewashrooms.co.uk
    Email: spec@tradewashrooms.co.uk
    Cistern: 31015010 – Bottom Inlet
    Capacity: 4/2.6 litre
    Operation: Dual flush, chrome-plated button

    To specify this product, copy the text above and paste into NBS clauses in your project specification. The specifier is responsible for ensuring the products specified are suitable for the intended purpose.



Installation Guide

Installation Guide



CAD Block

2D CAD Block

BIM Object

3D BIM Object

Welcome to Trade Washrooms, your national merchant for commercial sanitary ware.

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Trade Washrooms supply products to meet the rigorous demands of today’s commercial installations, delivering to businesses in Mainland UK.