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Grundfos Alpha 2L 15-50

Product Code: 55237

Suitable for 40°C. 1½" BSP connection. Plug and pump - no need to open terminal box. IP42. EuP 2013 and 2015 compliant. Kitemarked.

  • 7 Speed Settings
  • ErP Compliant
  • 5 Year Manufacturer's Guarantee
  • 5m Max. Delivery Head
  • 2°C to 110°C Max Temp. Range
  • Flow Volume Q Maximum 3.5m³/h
  • 0.032kW Maximum Applications
  • 3 Fixed Speeds & 4 Variable
  • View more information

Product contents:
Pump, gaskets, mains plug, installation instructions.

4 variable speeds consist of 2 x constant pressure and 2 x proportional pressure.



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Rated 4 out of 5 by Silence is Golden! Our old pump failed & within a couple of hours I had purchased this off the shelf & fitted as a direct replacement for the old one - no pipework changes needed! Seems to be a top quality item & is so very, very quiet compared to the old one. Not sure how I can rate reliability after two days...ask me in a decade! 12 Nov 2015
Rated 5 out of 5 by grundfos pump brought this pump as I had enough listening to old pump for two years churning away in cupboard and now all I hear is tinnitus. Have to say was not easy getting old one off as it was giving a good fight with pump pliers and gentle tapping with a squirt of WD40, resorted to buying new pliers and good quality which done the job no problem. Very good and like everyone else I'm sure, you will be back every day to confirm its still on. Would recommend without hesitation. 15 Jun 2015
Rated 5 out of 5 by Well made pump, good features Brought to replace a very old pump that had become very noisey. This one replaced it perfectly, very easy to fit, all seals required were included. It auto bleeds itself of air and is SO QUIET that I have to keep checking that it is working!! It also automatically varies its speed so it and the heating system should always be working in its most efficient way. To early to say about reliability but Grundfos stuff is normally very good. 20 May 2015
Rated 5 out of 5 by Grundfos Pump Excellent replacement for pump almost 30 years old, off the shelf locally on a bank holiday weekend 6 May 2015
  • 2015-11-30 T09:38:29.940-06:00
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Brand Grundfos
Connection Type 1½" BSP Connection
IP Rating IP42
Manufacturer Guarantee 2 years
Max Pump Head Size 5 m
Model No Alpha 2L 15-50
Pack Size 1
Power Output (Watts/Kw) 0.032 kW
Product Type Heating Pump
Temperature Range 2 to 110 °C
Total Product Weight 1.9 kg