How to Replace a Shower Pump (UK)
Fit a Salamander, Stuart Turner or Grundfos twin-impeller shower pump. 1.5, 2.0 and 3.0 bar sizing.
SalamanderStuart TurnerGrundfos
Sizing
- 1.5 bar — single shower, low ceiling.
- 2.0 bar — most common domestic — shower + rainfall head.
- 3.0 bar — multi-head or large rainfall.
Fit
Fit on a rubber anti-vibration mat. 22 mm flexible hoses with strainer washers on inlet. Dedicated 3A fused spur — never share a ring main.
Frequently asked questions
- Positive vs negative head?
- Positive = pump below cold tank (gravity feed). Negative = pump above tank — needs a negative-head model.
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