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45 years of trusted expertisePressure Balanced Cartridges
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536162
Mira Combiforce 415 Pressure Balanced Cartridge Black
£91.10
each, Inc. VATLoading...
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Keep showers running at a safe, steady temperature with our range of pressure balanced cartridges. A pressure balanced cartridge is the internal component that maintains a consistent water temperature by reacting to changes in hot and cold supply pressure, protecting the user from sudden hot or cold surges. City Plumbing supplies dependable replacement cartridges from trusted names including Mira and Grohe, giving trade installers and plumbers the parts they need to service shower valves and restore reliable performance with confidence.
When Should a Pressure Balanced Cartridge Be Replaced?
Over time, a cartridge can wear or become clogged with debris and limescale, affecting how well it controls temperature. It is worth considering a replacement when you notice signs such as:
- Fluctuating temperature – the shower runs hot then cold despite a fixed setting
- Slow or weak flow – build-up inside the cartridge restricts water through the valve
- Dripping or leaking – the cartridge no longer seals correctly
- Stiff or unresponsive controls – the valve feels harder to operate
- Failure to balance – the temperature no longer holds when another outlet is used
Fitting a fresh cartridge restores accurate, safe temperature control and returns the valve to reliable operation.
How Do I Choose the Right Cartridge?
Pressure balanced cartridges are designed to suit specific shower valves, so matching the correct part is essential. It helps to weigh up a few points:
- Shower brand and model – match the cartridge to the valve you are servicing, as these parts are rarely interchangeable
- Part number – for a like-for-like replacement, the existing part number is the most reliable guide
- Valve compatibility – confirm the cartridge fits the specific valve body, not just the brand
- Trusted names – both Mira and Grohe are well established across the trade for dependable spares
If you are sourcing a direct replacement, always check the original cartridge against the valve before ordering.
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