£17.59

It has never been this cheap. We have no record of a lower price.

£18 today · cheaper than every other day in the last 3 months

SIAMP 30996007 99B 1/2-Inch Plastic Inlet Valve - White

View at Amazon

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 72 days · 72 data points (no recent data)

Historical
Generating forecast…
£17.99 £17.55 £17.65 £17.74 £17.84 £17.93 £18.03 11 August 2026 28 August 2026 15 September 2026 03 October 2026 21 October 2026
View at Amazon ↗

White, 30996007

Price data last checked 60 day(s) ago - refreshing...

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↑ Price chart
when this has been cheap or pricey
↑ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price Distribution

Price distribution over 72 days • 1 price levels

Days at Price
72 days 0 18 36 54 72 £18 Days at Price

Price Analysis

Most common price: £18 (72 days, 100.0%)

Price range: £18 - £18

Price levels: 1 different prices over 72 days

Description

Upgrade your plumbing system with the SIAMP 30996007 99B inlet valve. This 1/2-inch plastic valve is designed for efficiency and reliability in your home. It is specifically engineered for use with bottom entry cisterns, making it a practical choice for various toilet configurations. This white inlet valve is built to handle a wide range of environments, with an operating pressure spanning from 0.5 to 10 bar. You can easily manage your water usage thanks to the adjustable water level settings, allowing for a customized fit for your specific toilet tank needs. Designed with user comfort in mind, this valve provides a quiet fill to minimize noise during operation. It also includes hydraulic closures for smooth performance. With WRAS approval, you can trust the quality and standards of this SIAMP component for your DIY plumbing projects or repairs.

Key Features

WRAS Approved for quality assurance and compliance with water safety standards.

Designed specifically for bottom entry cisterns to ensure a proper and secure fit.

Supports a wide operating pressure range from 0.5 to 10 bar for versatile use.

Features an adjustable water level to customize the fill height in your tank.

Provides a quiet fill to reduce noise disruption in your bathroom.

Includes hydraulic closures to assist with smooth and reliable operation.

Product Specifications

Brand
SIAMP
Colour
White
Size
1/2 Inch
Domain
Amazon UK
Release Date
10 August 2016
Listed Since
22 February 2013

Barcode

No barcode data available

Similar Products You Might Like

SOMATHERM Siamp 34951309 Cistern Inlet Float Valve Washer
97% match

SOMATHERM Siamp 34951309 Cistern Inlet Float Valve Washer

SOMATHERM FOR YOU

£4.10 10 Sep 2026
SIAMP Optima 50 Flushing Mechanism - 32500007 White
96% match

SIAMP Optima 50 Flushing Mechanism - 32500007 White

SIAMP

£19.95 10 Sep 2026
Taps2Traps 3-Pack Replacement Rubber Ball Valve Washers
96% match

Taps2Traps 3-Pack Replacement Rubber Ball Valve Washers

Taps2Traps

£4.95 09 Sep 2026
GROHE Start WC Flushing Cistern - Alpine White 37406SH0
96% match

GROHE Start WC Flushing Cistern - Alpine White 37406SH0

GROHE

£65.00 10 Sep 2026
MEPAMSA 150 0056.646 Anti-Return Valve
96% match

MEPAMSA 150 0056.646 Anti-Return Valve

FRANKE

£43.51 28 Aug 2026
Fluidmaster Exposed Cistern Exposed Cistern with 7 1/2" Compact Syphon, Bottom Entry Airgap 6000 Plastic Shank Fill Valve and Accessories.
96% match

Fluidmaster Exposed Cistern Exposed Cistern with 7 1/2" Compact Syphon, Bottom Entry Airgap 6000 Plastic Shank Fill Valve and Accessories.

Fluidmaster

£68.57 11 Sep 2026
Grohe 41043000 WAS Valve Fitting 1/2-Inch DN 20 with Connector on Right Chrome-Plated
96% match

Grohe 41043000 WAS Valve Fitting 1/2-Inch DN 20 with Connector on Right Chrome-Plated

GROHE

£41.00 01 Oct 2026
Roger 50 Compuerta Valve, Brown (Brass)
96% match

Roger 50 Compuerta Valve, Brown (Brass)

ROGER

£53.88 12 Oct 2026
GROHE Dally-Fvent Filling Valve 37092000 - Tap Valve
96% match

GROHE Dally-Fvent Filling Valve 37092000 - Tap Valve

GROHE

£38.01 09 Sep 2026
Rousseau 4056643 Belfort Sink Mixing Valve Chrome
95% match

Rousseau 4056643 Belfort Sink Mixing Valve Chrome

Rousseau

£38.28 09 Oct 2026
Ideal Standard i.Life Cistern - 6/4L Dual Flush - E247901
95% match

Ideal Standard i.Life Cistern - 6/4L Dual Flush - E247901

Ideal Standard

£115.28 28 Aug 2026
Ideal Standard i.Life A and S Compact Close coupled Cistern with Dual Flush Valve - 6/4 Litre, E249101, White
95% match

Ideal Standard i.Life A and S Compact Close coupled Cistern with Dual Flush Valve - 6/4 Litre, E249101, White

Ideal Standard

£159.42 19 Oct 2026
Kohler 1068031 Fill Valve
95% match

Kohler 1068031 Fill Valve

Kohler

£34.93 03 Oct 2026
Ideal Standard i.Life S Corner Close coupled Cistern with Dual Flush Valve - 6/4 Litre, E249301, White
95% match

Ideal Standard i.Life S Corner Close coupled Cistern with Dual Flush Valve - 6/4 Litre, E249301, White

Ideal Standard

Price unavailable
First Plast PVC nro160g Valve with O-Ring, Grey, Diameter 160 mm
95% match

First Plast PVC nro160g Valve with O-Ring, Grey, Diameter 160 mm

First Plast

£110.08 05 Oct 2026
Cash Acme 24737LF Sharkbite Slip Ball Valve, 1-Inch
95% match

Cash Acme 24737LF Sharkbite Slip Ball Valve, 1-Inch

SharkBite

£16.49 30 Oct 2026
Mepa Filling Valve Sets upsk sc a11-a12-a21 590734
95% match

Mepa Filling Valve Sets upsk sc a11-a12-a21 590734

MEPA

£70.26 09 Sep 2026
American Standard 047107-0070A Flush Valve Assembly
95% match

American Standard 047107-0070A Flush Valve Assembly

American Standard

£28.52 06 Oct 2026
Ideal Standard Tesi Cistern - 6/4 Litre Dual Flush - E190801
95% match

Ideal Standard Tesi Cistern - 6/4 Litre Dual Flush - E190801

Ideal Standard

£129.99 28 Aug 2026
QiiMii 1.5 inch Stainless Steel 304 Tri Clamp Butterfly Valve
95% match

QiiMii 1.5 inch Stainless Steel 304 Tri Clamp Butterfly Valve

QiiMii

Price unavailable
Roca Suparlit A801E50001 - Lid and Seat for Victoria-N White Toilets, Stainless Steel Hinges, Valid for Victoria-N Toilets with Rimless Finish, Model 2025
95% match

Roca Suparlit A801E50001 - Lid and Seat for Victoria-N White Toilets, Stainless Steel Hinges, Valid for Victoria-N Toilets with Rimless Finish, Model 2025

Roca

Price unavailable
Winterhalter 3106215 Solenoid Valve, 5 L/minute
95% match

Winterhalter 3106215 Solenoid Valve, 5 L/minute

Winterhalter

£42.12 02 Nov 2026
Geberit - Geberit flush plate - Sigma21 matt black, white trigger plate for double-touch flushing red gold - Geberit
95% match

Geberit - Geberit flush plate - Sigma21 matt black, white trigger plate for double-touch flushing red gold - Geberit

Geberit

£422.94 02 Sep 2026
Thetford Campingbedarf Spülknopfeinheit 26707
95% match

Thetford Campingbedarf Spülknopfeinheit 26707

Thetford

£43.04 04 Nov 2026