Siamp Optima 50 Deluxe Cistern Refurbishment Kit with Dual Flush Valve and Inlet Valve 37998110

£23.00 (inc. VAT)

The Optima 50 flush valve 37998110 from Siamp is suitable for a variety of toilet cisterns thanks to it’s flexible cable operation. The valve features a 2 part design which allows for easy servicing in future without having to remove the cistern

A universal valve includes both 2″ and 1-1/2″ Bayonet cistern cradle, foam donut’ washer and bolt through cistern fixings. The deluxe kit includes a 1/2″ BSP brass tail inlet valve to eliminate cross threading when installing

Also supplied with an adaptable push button that will fit hole sizes from 18mm to 50mm by using the spacer supplied

Bulk discount

Quantity Price (inc. VAT)
1 -8 £23.00
9 -17 £22.55
18 -25 £22.39
26 -34 £22.24
35 + £22.01

17 in stock

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

EAN: 3247230071289 SKU: 6MAS9160 Categories: , , , ,


  • WRAS Approved components
  • Dual flush cable valve
  • 1/2″ Brass tail Inlet fill valve
  • Fill Valve adjusts from 272-470mm
  • Flush valve adjusts from 272 to 480mm
  • Water level adjustment on float by simply turning adjust arm
  • Includes doughnut washer and bolt through cistern fittings
  • Includes both 2″ & 1-1/2″ fixing bayonet
  • Cable operated button allows top or front position Suitable for plastic and ceramic cisterns
  • Overflow can be cut in increments of 4mm
  • For cistern lid holes ranging from 18mm to 50mm when using spacer shroud
  • Includes stylish chrome plated flush button
  • Easily maintained

Additional information

Weight 0.9 kg

Manufactured in

Product MPN



Product Type


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