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Discuss New smart circulating pump/ are they win or bin in the Central Heating Forum area at UKPlumbersForums.co.uk.

  1. Gazzt

    Gazzt Active Member

    Do you like the new smart circulating pumps or prefer the standard circulating pumps, plumging suppliers in northern Ireland report they have alot of returns of faulty smart pumps.
     
  2. Best

    Best Trusted Plumber

    Hard to like the A rated pumps that cost a lot more than ordinary pumps, but save a few pence in electricity and then need replaced in only 2 or 3 years.
    I now think of the older pumps as quality
     
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  3. king of pipes

    king of pipes Trusted Plumber GSR Top Contributor!!

    Dab Evosta is a nice pump for the money 7m head and the option to switch from a positive head or to modulate down on load , as for grunfosses latest offering a pump which you can control and monitor via a app on your phone the jury is still out on these cheers kop
     
  4. townfanjon

    townfanjon Trusted Plumber GSR Top Contributor!!

    When brexit finally happens we can go back to the old ones lol
     
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  5. Gazzt

    Gazzt Active Member

    Dab pump is a decent pump.
     
  6. Best

    Best Trusted Plumber

    image.jpeg Dab Evo pumps also give trouble. Electronics and heat don't mix well I suspect, although it might just be faulty electronic parts.
    The pump in the photo is 1962 and has been working virtually everyday from then. I was in same house that still has the original owners this week and the heating was still working.
    It doesn't even have any isolating valves, but I guess with that reliability it doesn't need them. It is not A rated though, - probably more like Z rated. :)
     
  7. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    I'm sure somewhere in the lockup we have a brand new one (smc)

    And these days pumps are designed to fail, if they didn't manufacturers wouldn't have much of a call for new pumps
     
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  8. Best

    Best Trusted Plumber

    What I find incredible is not only has that pump been working for over 54 years, but also the system is filthy.
    I wouldn't mind if modern pumps are designed only to last 10 - 15 years max, but they are not up to the job if they cost more but last only 2 or 3 years. The cost to the customer is unfair.
     
  9. cr0ft

    cr0ft Trusted Plumber GSR

    I'm sure We were chatting about old boilers being the same recently too! Consumers are being ripped off and big companies are allowed to get away with it :/
     
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  10. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    Been asked to rip out a very old system, so went around to quote and found this in the loft next to the cylinder. Excuse the state of the picture. iPhones are rubbish at taking pictures in the dark so had to turn the flash off and use a torch:mad::p:p

    image.jpeg
     
  11. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    One for hot water one for heating before the days of port valves and after gravity hot water :)
     
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  12. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Sorry didn't know if you knew what they were cant see the branding , don't suppose you took any note of them ?
     
  13. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    I believe they we're a British Gas favourite at one point. Tried to find out how old it is but current landlord has only had the property for 4 years. It looks at least as old as me:D:p:p
     
  14. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    No offence taken. I knew how they worked but that is the first One I have seen if I am honest. It is an SMC which is what made me post the picture.:);)
     
  15. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Thought it was but wasn't 100% but the smc blue gave it away
     
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  16. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

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  17. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    As above though the pump is the only thing on the system that is still working properly.
     
  18. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    It will and for another good 30 years if oiled and cleaned
     
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  19. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    At a guess I would say 60's but the system does look like it has had some work done on it since then.
     
  20. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Gloworm boiler ?
     
  21. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    Not sure what the original was but there is a potterton netaheat profile in there now. But that is about 20 odd years old.
     
  22. Best

    Best Trusted Plumber

    Those pumps are called Comet, if I recall correctly. They are SMC and were the replacement for the excellent SMC Commodore pumps. I am not looking this up, - just remembering it.
    I used to install both types.
    I believe that model came out about 1983/84. I fitted the last previous model Commodores then in late 1983. So it is not that old really.
    If I removed that pump, I would keep the heads at least. In fact, a mate of mine has the identical twin head pump on his system. Those pumps can last a very long time if cleaned or kept clean.
    Motorised valves were around in the 1960s for sure, but those twin head pumps were just a simple way of doing fully pumped systems. Personally I prefered single pumps
     
    Last edited: Apr 16, 2017
  23. Best

    Best Trusted Plumber

    Here is a photo I found online while checking if I was correct.
    The left one is indeed a SMC Comet pump and typically the more well built pump on the right is the older SMC Commodore model. image.jpeg
     
  24. leesparkykent

    leesparkykent S. Mod

  25. quality

    quality Plumber GSR

    • Agree Agree x 1
  26. Dan

    Dan Admin

    Looks like somebody has used it as an anvil at some point too and taken a chunk out of it and it's still fine lol

    Couldn't do that with a smart pump.
     
  27. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    I did see that but to be honest the pipework is all old and battered and I'll have to change the cylinder any way so thought it best practice to just upgrade the lot to a y plan. Think I will quote a small combi also. (Think that may be the most cost effective):(
     
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  28. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    S plan never do a y unless your changing like for like
     
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  29. leesparkykent

    leesparkykent S. Mod

    Yeah defiantly not. Out of the thousands of domestic heating systems I've wired over the years I think I've only come across it twice. You have to use the supplied grundfos printed circuit board wiring centre unless you want to start adding relays etc....Just another point of failure that's not needed IMO.
     
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  30. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    To be honest the whole lot is coming out which is why I said y plan. But I'm open to options. It is only a 2 bed flat which Is why I may do a combi
     
  31. leesparkykent

    leesparkykent S. Mod

    I agree S-plan over a y-plan any day of the week. :)
     
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