Siamp 32335510 Storm 33A Single Flush Valve and Push Button

The Siamp Storm 33A single flush valve (MPN 32335510) delivers dependable full-cistern discharge with a simple one-press action. Its two-part design allows easy future servicing without removing the cistern, while the adjustable stirrup tolerates minor misalignment of older cisterns.

Popular OEM choice fitted by leading manufacturers including Twyfords and Vitra, and widely supplied in DIY-store cisterns.

Key Features

• WRAS and NF certified with 10-year guarantee
• Single flush, full cistern discharge
• Adjustable height 305–415 mm
• 2″ (51 mm) bayonet outlet
• Suitable for plastic and ceramic cisterns
• Adjustable stirrup for off-centre lid holes
• Overflow cuts in 5 mm increments
• Lid hole compatibility 16–50 mm (standard 38–40 mm; optional spacer for other sizes)
• High flush rate of 3.5 l/s
• Includes stylish chrome-plated push button
• Foam pan seal supplied

Specifications

• Height: adjustable 305–415 mm
• Outlet: 2″ (51 mm) bayonet
• Discharge hole: 58–72 mm
• Lid hole: 16–50 mm
• Actuation effort: below 20 N
• Material: heavy-duty plastic
• Manufactured in: Vietnam

Applications

Ideal replacement or OEM valve for standard UK domestic toilet cisterns.

What’s in the box

Storm 33A flush valve mechanism, chrome push button, foam pan seal, installation components and instructions.