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Powered by The Shower Doctor, showercartridges.com is pleased to supply shower and tap cartridges from all the major manufacturers. Please select your shower brand from the list below and you will be taken to the relevant section of the Shower Doctor website. If you are unsure which cartridge you need, simply give our experienced sales team a call on 0131 538 4343.

Aqualisa Cartridges

Aqualisa Cartridges

Aqualisa Aquarian from 1996

Aqualisa Midas 100 Bar Mixer Shower

Aqualisa Midas 200 Bar Mixer Shower

Aqualisa Midas 300 Bar Mixer Shower

Aqualisa Aquamixa

Aqualisa Aquavalve 600

Aqualisa Aquavalve 609

Aqualisa Aquavalve 900

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Deva Cartridges

Deva Cartridges

Deva Apex Shower Valve
Deva Breech Shower Mixer
Deva Dynamic Bar Mixer Shower
Deva Expression Breech Mixer
Deva Lever Action Shower Valve
Deva Azure Shower Valve
Deva Envy Shower Valve
Deva Excelsior Shower Valve

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Grohe Cartridges

Grohe Cartridges

Grohe Allure
Grohe Atrio
Grohe Avensys
Grohe Chiara
Grohe Grohmaster
Grohe Grohtherm
Grohe Tenso
Grohe Neotherm
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Hansgrohe Cartridges

Hansgrohe Cartridges

Hansgrohe Avista
Hansgrohe Axor 1901
Hansgrohe Axor Starck
Hansgrohe Axor Steel
Hansgrohe Axor Terrano
Hansgrohe Croma 100
Hansgrohe Shower Temple
Hansgrohe Verso Centostat
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Ideal Standard Cartridges

Ideal Standard Cartridges

Alchemy Thermostatic Valve
Alto Ecotherm Shower Valve
Avon 21 Shower
Contour 21 Shower Mixer
Glance Thermostatic Shower Valve
Hathaway Shower Valve
Idealux 715 Shower Mixer
Kurve Shower Valve
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Inta Cartridges

Inta Cartridges

Inta 10010CP Ion Bar Shower
Inta 10032CP Deluge
Inta 40015CP Intamix
Inta 40022CP Intamix 22mm
Inta 50014CP Intaflo Traditional
Inta 90030CP Vista Exposed
Inta SF1037xx Thermostatic
Inta 400MZ CP Intamix 15mm
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Meynell Cartridges

Meynell Cartridges

Meynell V4 Bar Mixer
Meynell Blendamix 1/2” Manual Mixer
Meynell Niagara Thermostatic Mixer
Meynell Safemix Valve
Meynell Victoria Exp Mixing Valve
Meynell Virtuoso Mixer
Meynell Viscount Mixing Valve
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Mira Cartridges

Mira Cartridges

Mira 415
Mira 722
Mira Atom
Mira Bijou
Mira Coda
Mira Combiflow
Mira Discovery
Mira Excel
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NewTeam Cartridges

NewTeam Cartridges

Newteam 100 Series
Newteam 123-T
Newteam 500 / 575 / Roma / Elite
Newteam 901T/902T
Newteam 911Eq
Newteam 911-M
Newteam 968
Newteam Jetstream Venturi
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Other Cartridges

Other Cartridges

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Showerforce Cartridges

Showerforce Cartridges

Showerforce 901-T Bar Mixer
Showerforce 904 T
Showerforce 912 T
Showerforce 966 T
Showerforce 970, 971 & 972
Showerforce 998 T
Showerforce Elite
Showerforce Riva
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Sirrus By Gummers Cartridges

Sirrus By Gummers Cartridges

Sirrus 1500
Sirrus 1500 Antique
Sirrus 1850 / 1850
Sirrus 2000
Sirrus Antica
Sirrus Elson Thermostatic Valve
Sirrus Mayfair Antique
Sirrus Renaissance Grande
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Trevi Cartridges

Trevi Cartridges

Trevi Arum Exposed Mixer
Trevi Ascari Single Control
Trevi Boost Built-In Mixer
Trevi Diverter 3 Way
Trevi Globe Shower
Trevi Lux Built-In Thermostatic Mixer
Trevi Therm – Pre 1998
Trevi Traditional Shower Valve
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Triton Cartridges

Triton Cartridges

Triton Aire Bar Mixer
Triton Dove
Triton Elina
Triton Fervore
Triton Islington
Triton Leah
Triton Mersey Bar Mixer
Triton Thames
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Ultra SNINASF Cartridge

Ultra Cartridges

Ultra 3/4 Dual Control
Ultra Concealed Sequential
Ultra Single Sequential
Ultra Triple Control
Ultra Twin Control
Ultra SNINASF Cartridge
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Vado Cartridges

Vado Cartridges

Vado Elements
Vado Instinct
Vado Life Concealed Thermostatic
Vado Magma Concealed
Vado Nuance Single Lever
Vado Origins
Vado Sense Concealed
Vado Zoo
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What is a shower cartridge?

A shower cartridge is a mechanical device that is housed within the body of a mixer shower. The job of the cartridge is to blend hot and cold water supplies to give an output flow at the desired temperature. In additional to blending cartridges, some showers have separate flow cartridges to turn vary the water supply from off to fully on. Most showers have removable shower cartridges as they can fail, wear out or require routine maintenance; this is particularly so with thermostatic cartridges. Repairing or replacing a shower cartridge is nearly always less expensive than replacing the entire shower.

How do shower cartridges work?

Shower cartridges are essentially self-contained valves with a function to perform. Some control the flow of water, others divert water between two outlets – for example from an overhead showerhead to a hand-held showerhead – and the majority blend hot and cold water supplied. Manual mixing valves have a hot and cold input port and a plate or mechanism that closes one port at the other opens. This allows the user to adjust the cartridge (via an external lever) such that either port can be fully open or any blend ratio in between.

Thermostatic cartridges are a little more complicated and are a common serviceable or replacement part. A thermostatic shower cartridge blends hot and cold water supplies in much the same way as a manual valve. However, once the user has set the desired temperature the cartridge will adapt to maintain that temperature even if the supply conditions fail. It can do this because the cartridge has either a heat sensitive metal coil or wax within its mechanism. As the coil or piston [in the case of wax cartridges] moves the ports are opened and closed is if the user had made an adjustment to the lever. Taking an extreme example, if the cold water supply failed the wax or spring would rapidly heat up and expand causing the hot water port to close. In this extreme case the thermostatic cartridge would shut off the shower preventing a scald. In more typical use, the cartridge adjusts to maintain the desired temperature even during local variations (such as flushing the toilet).

Is it easy to replace my cartridge?

Replacing your shower cartridge is usually fairly straightforward. Obviously some shower models are more difficult than others. Crucially, the cartridge is designed to be removed so it is seldom a challenging task. Instructions for your shower/cartridge are usually easy to come by and it goes without saying that the water supply to the unit should be shut off before attempting to dismantle your shower valve. If you are unsure, consult with a qualified Plumber or phone The Shower Doctor for advice.

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