Siamp Optima 49 Dual Flush Valve and Push Button 32499910

£12.50 (inc. VAT)

The Optima 49 flush valve from Siamp is suitable for a variety of toilet cisterns thanks to it’s height adjustable design. The valve features a 2 part design which allows for easy servicing in future without having to remove the cistern

A popular valve used by many leading manufacturers over the years including Twyfords and Vitra, and installed within many DIY stores toilet cisterns

Siamp is unanimously considered to be a worldwide leader in innovation and modern technical solutions in the sanitary market. Every product designed and manufactured by Siamp encompasses their main principles of efficiency, viability and sustainability

146 in stock

From £3.00 inc VAT postage
Buying in bulk? Get in touch for a quote

EAN: 3247230071296 SKU: 6MAS7591 Categories: , , ,


  • WRAS Approved
  • Dual, simple action flush valve
  • Adjustable height from 300 to 448mm
  • 2″ (51mm) outlet
  • Made from strong heavy duty quality plastic
  • Suitable for plastic and ceramic cisterns
  • Adjustable in increments of 12mm
  • Overflow can be cut in increments of 4mm
  • For standard 38-40mm cistern lid hole
  • Optional spacer avaiable for lid holes ranging from 18mm – 50mm
  • Innovative and efficient design
  • Includes stylish chrome plated flush button
  • Easily maintained

Siamp’s 2″ cistern bayonet fixing is standard throughout the range, enabling to interchange valves to suit your requirements

Installation Instructions

Additional information

Weight 0.65 kg

Manufactured in

Product MPN



Product Type


You may also like…

  • Optima 49 Push Button 34494909

    Siamp Optima 49 Dual Flush Push Button Chrome 34494907

    £6.25 (inc. VAT)
    Add to basket
    190 in stock
  • siamp optima flush valve seal

    Siamp Optima 49 and 50 Dual Flush Valve Diaphragm Seal 34490509

    £3.50 (inc. VAT)
    Add to basket
    40 in stock