My Basket £0.00

Spend another £500.00 for Free Delivery

You May Also Need...

Shopping List

What are you looking for?

Tell us what products you’re looking for and we’ll tell you everything else you’ll need.







10% Off Web Orders Over £1000 Use Code DEC10UK*

*Excludes Tile Clearance & Spot Offers

Product Image
  • Thumbnail Image
  • Splide Slide

SKU: 96788176

Grundfos Amazon Universal 4.0 Bar Negative Head Twin Pump STN-4.0 B (1785)

£31.00% Off RRP
Click for price What's this?
Product Details
  • Twin Impeller
  • 4.0 Bar Pressure
  • Positive Head
  • 230 Volt Power Supply
  • 22mm Push Fit Connections
  • Brass Bodied with Brass Impellers

Add-Ons (2)

Product Information

Grundfos Amazon 4.0 Bar Negative Twin Impeller

The Brass Pump range is undoubtedly the ‘Rolls Royce’ of Grundfos shower pumps, designed and manufactured to the highest of standards. With brass impellers and machined brass stampings these pumps can be genuinely described as ‘Heavy Duty’, and each model offers high performance and durability. These continuously rated regenerative pumps are suited for domestic, commercial or light industrial use.
Products within this range are fitted with long-life silicon carbide seals and anti-vibration feet keep the operating noise to a minimum. All brass pumps are supplied with stainless steel flexible hoses, and are covered by a comprehensive 2 years warranty.
A brass pump will transform any compatible shower system into a really enjoyable and invigorating power shower.

More Information
Delivery Size Medium
Brand Grundfos
Bar Pressure 4.0 bar
Pump Type Regenerative
Feed Compatibility Twin - Hot AND Cold
Pump Installation Universal
Material Brass
Spec Sheet download Link


Frequently Asked Questions

Delivery Information

Location Shipping Method Shipping Charges Timescales
Mainland UK Standard Delivery £29.99 2-3 days from dispatched
Northern Ireland Standard Delivery £29.99 Next working day once dispatched
Republic of Ireland Standard Delivery £39.99 1-2 days from dispatched

We found other products you might like!