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Shower Pumps
A shower booster pump helps to boost the water pressure in your home. Shower pumps are rated in bars - the higher the bar, the more pressure you will get. They are available in several different formats, but the most important two variables to consider are whether you need a positive or negative head, and whether it's a single or twin impeller. For more information on choosing a shower booster pump, contact our technical sales team!
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Salamander 1.8 Bar Twin Positive Head Regenerative Shower & Bathroom Pump
£322.95
Special Order
7 Days
Salamander 2.6 Bar Twin Positive Head Regenerative Shower & Bathroom Pump
£400.95
Special Order
7 Days
Salamander RP120SU Single Impeller Shower Pump Positive or Negative Head 3.6 Bar
£653.95
Special Order
7 Days
Salamander Right Pump 3.0 Bar Twin Positive Head Centrifugal Shower and Whole House Pump
£688.95
In Stock
3 Days
Salamander 3.0 Bar Twin Universal Head Centrifugal Shower and Whole House Pump
£884.95
In Stock
3 Days
Salamander RP80SU Single Impeller Shower Pump Positive or Negative Head 2.4 Bar
£622.95
Out of Stock
Salamander RP50TU Twin End Whole House Shower Pump Positive or Negative Head 1.3 Bar
£697.95
Out of Stock
Shower Pump Types Guide
Shower Pump Types - Quick Guide
Not sure which shower pump you need? The main things to check are whether your system needs a positive or negative head pump, whether you need to boost one or both water supplies, and what bar rating is suitable for your shower. Some pumps are dual-mode and can run in either positive or negative head installations - check the product specification if you're unsure which your system needs.
Positive Head Pumps
For gravity-fed systems where water already flows from the shower before the pump is fitted. A positive head pump boosts that existing flow and is a common choice for standard vented hot water systems.
Negative Head Pumps
For systems where water does not flow freely by gravity alone. A pressure switch detects when the shower valve opens rather than relying on gravity, making these pumps suitable where the outlet sits close to, level with, or above the cold water tank.
Twin Impeller Pumps
Boosts both hot and cold supplies, helping mixer showers deliver balanced pressure. This is often the right choice when both feeds need improving.
Single Impeller Pumps
Boosts one water supply only, usually where either the hot or cold feed needs extra help. Best for more specific installations rather than a full mixer shower upgrade.
Bar Ratings Guide
| Bathroom or shower type | Suggested pump choice |
|---|---|
| Standard mixer shower | 1.5 to 2 bar twin impeller pump |
| Rainfall shower head | 2 to 3 bar, depending on the head size and flow requirement |
| En-suite shower | 1.5 to 2 bar is usually suitable for a single shower |
| Family bathroom | Around 2 bar for a stronger everyday shower |
| Two outlets or body jets | 3 bar may be required, subject to system suitability |
| Older gravity-fed property | Usually 1.5 to 2 bar, but check whether positive or universal head is needed |
| Loft conversion | Often needs a universal or negative head pump, with bar rating chosen around the shower setup |
