Siamp Optima 49 and 50 Dual Flush Valve Diaphragm Seal 34490509

£3.50 (£2.92 ex. VAT)

Replacement flush valve seal for the popular Optima Dual flush valves by Siamp.

Used by many leading manufacturers over the years including Twyfords, Roca and Vitra, and supplied 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

82 in stock

From £1.25 inc VAT postage
Buying in bulk? Get in touch for a quote

EAN: 3247230090013 SKU: 6MAS7609 Categories: , , ,


  • Suits the Optima range of flush valves
  • 71mm wide, 43mm central hole
  • Quick and easy to replace
  • Genuine Siamp replacement part

Additional information

Weight 0.03 kg

Manufactured in

Product MPN


Product Type

You may also like…

  • siamp optima 50 dual flush valve

    Siamp Optima 50 Cable Operated Dual Flush Valve and Push Button 32500210

    £14.50 (£12.08 ex. VAT)
    Add to basket
    263 in stock
  • siamp optima 49 dual flush valve

    Siamp Optima 49 Dual Flush Valve and Push Button 32499910

    £12.50 (£10.42 ex. VAT)
    Add to basket
    222 in stock