We just wanted to let you know that even during this difficult time, we are still accepting and processing orders. Please view our delivery page for more information.

Spanner Need some technical advice? (Click here to expand details)

Siamp Storm 33A and 99B Madrid / Barcelona Cistern Fittings Component Pack 35995007

Item Code: SP026428
Supplied with Siamp Storm single flush outlet valve and Siamp inlet valve 99B. Sold in many Twyfords, Vitra, Lecico sanitaryware and B&Q bathroom packs.

Availability: In stock

Regular Price: £29.99

Now only £24.98 INC VAT

Product Description

Why buy?

  • Pack includes ‘Storm 33A' Outlet Valve and 99B Bottom Inlet Valve
  • Top flush
  • Single flush
  • 2” bayonet outlet
  • Chrome push button
  • Compact float valve
  • Anti-backflow function
  • WRAS approved
  • Easy to install
  • Manufactured in Monaco
  • 10 Year Guarantee


The Siamp Storm 33A and 99B Cistern Fittings Component Pack 35995007 is the only complete replacement suitable for use with most modern toilet cisterns. Supplied complete the Siamp Storm 33A outlet valve, Siamp 99B bottom inlet valve, cistern to pan kit, 2” foam outlet washers, plastic jamb nut and chrome plated push button. A sleek contemporary design and high-quality manufacturing delivers an excellent flush each time

Top flush

Top flush outlet valve can be installed into plastic or ceramic cisterns

Single flush

Single flush outlet valve that is sold in many Twyfords, Vitra and Lecico sanitaryware. Also sold in many B&Q bathroom packs

2" Bayonet Outlets

Bayonet fitting enables you to twist and pull the valve out without taking the cistern off the wc pan

Chrome push button

Smooth chrome plated push button is suitable for lid holes between 18mm and 50mm


Designed with an unobtrusive float mechanism, this inlet valve can be fitted inside even the smallest of toilet cisterns, perfect for any en-suite or WC

Anti-Backflow Function

Supplied with a built-in backflow prevention device to prevent contamination of the fresh water supply

WRAS Approved

WRAS stands for Water Regulations Advisory Scheme, a certification mark that demonstrates that an item complies with the high standards set out by water regulations

Manufactured in Monaco

The Siamp Storm 33A and 99B Cistern Fittings Component Pack 35995007 is manufactured in Monaco by Siamp who deliver a comprehensive line of innovative toilet repair products. Their products are based on quality, reliability and durability

10 Year Guarantee

Giving you that extra peace of mind, if the product breaks or doesn’t work then please let us know and we will be happy to refund or replace the item within 10 years of purchase


Additional Information
Additional Information
SKU SP026428
Compatible with No
Manufacturer Siamp
Lever Type No
Customer Reviews (4)
Great customer service
I needed an urgent replacement fill and flush valve combination, found the exact replacement and fitted within a few days.
Many thanks ????
Review by Ader (Posted on 16/04/2020)
Great Service
Product arrived on time and was well packaged. Fitted like a glove. Review by Moorishidol (Posted on 28/10/2019)
Works perfectly
Arrived within 3 days and was easily fitted especially as I could not remove the base so quick twist and replace was all this is needed Review by Dave (Posted on 23/10/2018)
Cistern Fittings replacement
I'm delighted with this product. It was just what I was looking for! Review by Aldo (Posted on 29/06/2018)
Write Your Own Review
You're reviewing: Siamp Storm 33A and 99B Madrid / Barcelona Cistern Fittings Component Pack 35995007
How do you rate this product? *
  1 star 2 stars 3 stars 4 stars 5 stars
Q & A
Ask a question about the product and we will get back to you with 24 hours.