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grundfos

Grundfos (Danish pronunciation: [ˈkʁɔnˀfʌs]) is the largest pump manufacturer in the world, based in Denmark, with more than 19,000 employees globally.
The annual production of more than 16 million pump units, circulator pumps (UP), submersible pumps (SP), and centrifugal pumps (CR). Grundfos also produces electric motors for the pumps as well as electric motors for separate merchandising. Grundfos develops and sells electronics for controls for pumps and other systems.

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  1. B

    recirculating pump options

    I'm fitting a recirculating loop to solve a dead leg wait for hot water. I'd like the most energy efficient solution that gives me instant hot water. I'd found the Grundfos UP20-14BXUT with built in timer and thermostat £254 inc VAT. What other fully integrated pumps are available? I could...
  2. M

    Grundfos pump S+F after 6pm Christmas Eve

    Received a call there.. "Hi, my pump is away, what is the price to supply and fit a new grundfos circulator, could you make it out tonight, after 6pm ??" I told her, yes we could, at a total cost of £180 total. She replied "I dont have this money at this time of year though" and hung up. How...
  3. S

    Grundfos 200 series pump washers

    Hi, would anyone happen to know what washers are needed between the faces on a 200 series twin headed circulator. Can't seem to find them on the Grundfos site, and local PC. Can't help. Thanks in anticipation.
  4. D

    Grundfos UPS 15-60 Queries

    Q 1 I need to replace a Grundfos 15-60 pump in my old Worcester boiler. The new pump has the electrical connection box and speed selector in a differnet plane to the existing pump. Do I just unbolt the casing and move it to the same position as the existing pump? Q 2 Is it possible to just...
  5. D

    Can you buy just the bleed screw for a Grundfos 15-50 central heating pump

    Hi I was hoping someone could tell me whether you can just buy the bleed screw for a Grundfos 15-50 heating pump? We were draining bleeding an airlock from the system after fixing a leak this morning and the bleed screw dropped and i think its gone down under the floor boards in the airing...
  6. H

    Grundfos Conlift replacing the unit

    I need to replace my grundfos conlift, is it just re conect the wiring form the boiler to the pump and the over flow form the bolier and pipe to the outside wall. Ian
  7. S

    Replacing a Grundfos 15-50 pump

    Hi there, i have just joined to see if i can get some help. Firstly the pilot wouldnt stay alight on the boiler and couldnt afford to get fixed, so it stayed unfixed for around a year. Now its fixed, the heating wouldnt come on, checked the pump and it wasnt circulating. so i have bought a new...
  8. G

    Whole house pumps

    Looking for a whole house pump to boost hot and cold supplys, customer looking something reasonably quiet and local suppliers reckoning a grundfos amazon shower pump would do the job, I'd have thought it was in the name it was only for boosing pressure to showers, just wondering what your views...
  9. D

    37CDi model, Danfoss TP5000SI-RF thermostat + RX1 receiver, Grundfos & EUHWTS

    Hi All, I have a 37CDi model, Danfoss TP5000SI-RF thermostat + RX1 receiver , Grundfos pump (230V), 4-wire actuator (230V) and Electronic Underfloor Heating Water Temperature Stat (230V) attached to manifold. Anyone know how to wire up all these? The system is described: I got the...
  10. F

    Grundfos upa 15-90 booster

    Hi thier, I fiited a grundfos booster today to the mains supply to a top floor high rised flat 13th floor, And yes i did have Approval to fit it, The pump works fine when you use the cold sink tap and cold basin tap, The problem is the shower does not start the pump when you turn it on, The...
  11. S

    Grundfos Pump - has it failed?

    My Boulter Buderus Camray boiler has shutdown and I think it may be a failed pump. It has a Grundfos UPS 25-60 pump fitted and I removed the large screw to check if the impeller was rotating. From past experience I would expect a steady, but not powerful, stream of water to run from the...
  12. A

    Twin Headed Grundfos Pumps?

    Has anyone had any dealings with the twin-headed grundfos pumps (heating/dhw)? A friend of mine has suffered with boiler issues (banging/lock out). After looking around his system where he has had UFH added to the system and listening to the boiler noise I said that it sounded like air was...
  13. G

    grundfos ups 40-80 FB 250 secondary return pump

    FOR SALE brand new in box grundfos 40-80 FB 250 bronze pump sensible offers please
  14. M

    Grundfos or Stuart Turner shower pumps?

    Which would you reccomend? Not interested in Salamander as the Stuart Turners seem better quality but I have recently came across the Grundfos Watermill Amazon 3 bar shower pump. It would either be this or the Stuart Turner Monsoon universal 3 bar twin. I need a 3 bar twin impeller negative head...
  15. J

    Poor hot water pressure - grundfos booster pump cure?

    Let me start by saying I am no plumber. A competent DIYer but not a plumber so thought I would ask the experts. I have fitted a new bath, basin and taps this weekend. The hot water pressure was poor prior to fitting and I suspected fitting new 1/4 turn taps would not help the situation and I...
    • jamin008
    • Thread
    • booster cylinder flange grundfos hot hot water hot water pressure pressure pump water water pressure
    • Replies: 9
    • Forum: Plumbing Jobs | The Job-board
  16. B

    grundfos 15/65/130

    as per title where can i get one at a good price? need slightly more power than a standard 15/60:confused:
  17. P

    New Macerator from Grundfos?

    Hi All Just recieved this information from grundfos and it interests me Grundfos The no more dirty hands mainly I am lukcy enough to be going to ISH so if I get time I will have a ponder and update all
  18. B

    Grundfos Bossert pump trouble shooting!?

    Apologies for my spelling of booster! Hi, Its my first time posting here, lots of you guys know your pumps!! I have a grunfos Mq booster pump boosting my domestic cold water into the house. Recently it has started turning its self on and off intermitantly,on for 15 seconds then off for 1 minute...
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