
Grundfos STN-3.0 B Universal Head Shower Pump
by Grundfos
£409.00
GTIN05700310350295
EAN5700310350295
MPN96788173
Prices updated 16 Mar 2026
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Waterpump UK
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£409.00
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Product Description
The Grundfos STN 3.0 Bar Shower Pump boasts WRAS approval. It is designed for home plumbing systems, effectively amplifying water pressure within shower units or basin faucets. This intensification in water flow is particularly satisfying for rainfall shower settings. It achieves up to 3 bar in maximum pressure. This pump works everywhere, for "positive" or "negative" water pressure situations. In positive setups, water moves naturally because the water tank is higher than the pump, thanks to gravity. Negative setups are different; the pump must work harder because the water doesn't flow into it easily. This is because the water tank is level with or below the pump. Here, the pump must actively suction the water, rather than passively receiving flow. Most people have their water tanks in their loft. The Grundfos STN 3.0 bar pump can lift water to higher places, like if your shower is upstairs in a loft room. It's key to set up the pump without letting air inside, which could
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