National Shower Spares
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Support Knowledge Base
Getting started with National Shower Spares
About National Shower Spares
Support knowledge base
Rated 'excellent' on Trustpilot
Applying for a free trade account
Exploded view diagrams
Orders and Returns
How long does it take for you to process my return?
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Where is my order? How long will delivery take?
Cancelling an order
Lowest Price Guarantee
Disability VAT exemption
Creating an online account
I need a VAT invoice for my order. How do I obtain one?
Resetting your online account password
Finding your shower or part (including identification tips and support)
Trevi Therm/Boost: Identification tips and an overview of operation
How can I tell if a part on your website will fit my shower?
Common problems with mixer showers
Common problems with electric showers
Seasonal effects on electric showers
The importance of descaling your shower head
How does a thermal cut out switch (TCO) work?
See all 13 articles
Buying a replacement shower
How to find a suitable shower hose
How to find a suitable shower head
How to find a suitable shower head holder
How to find a suitable shower rail
How to find a suitable wall outlet
See all 8 articles
Shower spares glossary
What is a shower cartridge?
Video: What are the different types of showers?
Mixer showers: Manual or thermostatic?
Types of household water systems
hansgrohe Jocolino Children's Handshower
Salamander TapBoost single outlet booster
Bigger and better Practical Supplies range!
Universal Washers, O-rings and Tap cartridges
Salamander Home Boost
See all 18 articles
Manufacturer Specific Information
An Overview of Sirrus/Gummers Cartridges
Manufacturer contact information
Reversed Inlet Cartridges
Grohe Aquadimmer 47364 and 12433
Mira - Guarantee Registration
Salamander - Guarantee Registration
See all 7 articles
Shower door rollers/runners
Official stockists of Daryl shower enclosure spares
Water running into the toilet pan
Video: How to replace a shower hose
Video: How to replace a shower head holder
Video: How to fit a universal shower head holder
Video: How to change a pressure relief device (PRD)
Video: How to fit a Uniblade Universal Screen Seal
Installation manuals and fitting guides
See all 10 articles
Aqualisa Quartz Digital Concealed - Installation
Aqualisa Quartz Digital Exposed - Installation
Installing an Aqualisa Rail kit
Bristan - How to maintain & replace mini valves cartridge
Bristan - How to replace the Easitherm (00622415) shower cartridge in bar mixer showers
Bristan - How to replace the Easitherm (00622415) shower cartridge in exposed shower mixers
Bristan - How to replace the Thermotec (Cart5) shower cartridge
Bristan - How to service the 1500 series cartridge.
Bristan - How to service the 1850 series cartridge.
Video: Changing a Grohe thermostatic cartridge (47439 000)
Video: Grohe Cooltouch visualisation
Video: Grohe Grohtherm bar valve temperature calibration
Video: Grohtherm handle temperature setting
Video: How to calibrate a thermostat on a Grohe Bar shower
Video: Installation of Grohe Rapido SmartBox & SmartControl Concealed
See all 11 articles
Geberit Aquaclean - Servicing
Geberit AquaClean - Cleaning maintenance
Installing a Geberit Type 212 Flush valve
Hansgrohe - iBox concealed showering - How to correct installation depth tolerance issues
Hansgrohe - iBox concealed showering - How to correct hot and cold reverse supply pipes
Hansgrohe - iBox concealed showering - How to do a full service of the iBox thermostatic valve
Pairing a new/additional controller to an existing Mira Platinum processor
Re-registering an existing controller to a Mira Platinum processor
Video: How to adjust the temperature of a Mira Excel mixer shower (451.71 cartridge)
Video: How to change a Mira Excel thermostatic cartridge (451.71)
Video: How to fit the Mira Bar Valve Fixing Kit
Video: How to install a Mira Excel EV Shower (2006-on)
See all 11 articles
T80Z Fast-Fit electric shower - Cable and water entry points explained
Triton HOST Digital Shower - Installation
Triton T80Z Fast-Fit - Installation
Vado - Concealed shower valve - Maintenance & replacement of thermostatic cartridge (brass)
Vado - Concealed shower - 2 & 3 way diverter valve maintenance and replacement
Vado - Concealed shower valve - Maintenance & replacement of thermostatic cartridge (polymer)
Vado - Concealed shower - one way flow valve maintenance and replacement
Vado - exposed bar shower valve - Flow valve maintenance & replacement
Vado - exposed bar shower valve - Thermostatic cartridge maintenance & replacement
See all 11 articles