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Grundfos UPS & ALPHA+

Applications: The circulator pumps in cast iron pump housing version are specifically designed for heating systems. For under-floor heating systems, it is advisable to use the bronze version, type ALPHA+ B and UPS B, as the pumped liquid may often become aerated causing an ordinary cast iron pump housing to corrode.


  • UPS can be operated at 3 speeds
  • ALPHA+ automatically controls the different pressure by adjustment of pump performance to the actual heating demand without the use of external components.
  • The ALPHA+ and UPS pumps are of the canned rotor type, i.e. pump and motor form an integral unit without shaft seal and with only 2 gaskets for sealing. The bearings are lubricated by the pumped liquid.

With over 30 years experience in the rough and trying conditions of Australia, Grundfos have earned a solid reputation for building pumps and pumping systems that overcome our often harsh environment. Backed by international export quality assurance certification, Grundfos’ range of specialised domestic pumps is a product you can trust.