Grundfos Pumps > STN-4.0B Twin Ended Shower Pump (4.0 Bar, Universal).

Grundfos Pumps STN-4.0B Twin Ended Shower Pump (4.0 Bar, Universal). Share on FaceBook Share on Pinterest Share on Google+ Share on Twitter
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Free delivery to mainland Ireland.
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Product Details

Grundfos STN-4.0B Amazon positive and negative head 4.0 bar twin ended shower / whole house pump.

  • Suitable for positive and negative head plumbing configurations.
  • Will transform any compatible shower system into a really enjoyable and invigorating power shower.
  • Typical applications: For boosting water to a single / multiple showers or whole house where the outlets are below or above the cold water storage tank.
  • Ideal for properties with up to 4 bathrooms wanting to boost multiple shower heads.
  • Premium heavy duty brass pump.
  • Suited to domestic, commercial or light industrial use to boost shower pressure.
  • Low noise design with quiet induction motor and minimal turbulence pump head.
  • Twin impeller motor.
  • Regenerative range.
  • Continuously rated motor.
  • WRAS approved (1209052).
  • Brass body and impeller.
  • Anti Vibration feet.
  • Supplied with stainless steel braided hoses.
  • Fitted with long-life silicon carbide seals.
  • Minimum static head: 1m.
  • Closed valve pressure: 4.1 bar.
  • Size: 284L x 225W x 283H mm.
  • Voltage: 230v.
  • Power input: 790w.
  • Fuse: 10A.
  • Maximum flow rate: 50 l/min.
  • Minimum pipe size: 22mm.
  • Noise level at 1m: 70 dBA.
  • Brass construction.
  • CE approved.
  • IPX2 water ingress protection.
  • Example image shown.
  • 5 Year Guarantee: Grundfos guarantee this shower pump for 5 years.

€762.51 inc VAT & Delivery
€619.93 excluding VAT
RRP: n/a  Save: n/a
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Product Code: GF-AMA4N


The Grundfos range of shower pumps are used in many homes that have poor water pressure. A pump cannot be fitted to a mains water supply. Pumps are normally located close to the water supply, in an airing cupboard or loft space.

All Grundfos shower pumps come with a comprehensive 2 year manufacturers warranty.


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