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impeller

An impeller or impellor is a rotor used to increase the pressure and flow of a fluid. It is the opposite of a turbine, which extracts energy from, and reduces the pressure of, a flowing fluid.

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  1. B

    Saniflo SoloLift2 : Impeller keeps getting stuck

    Hello everyone, I have a Grundfos SoloLift2 WC1 on a toilet and since a few months the impeller keeps getting stuck. I was quite happy to unblock it myself using the service shaft above the motor and a long screwdriver, but it keeps happening roughly once every month. When stuck, it makes a...
  2. D

    Can I? Impeller pump

    Hi all. I have a single occupancy house with gravity feed hot water. The hot cylinder is downstairs with a cold water tank in the loft. The hot comes straight out from the cylinder then 90’s up to the first floor bathroom tap, then the bath & back downstairs to the kitchen sink. There is no...
    • Deleted member 113604
    • Thread
    • america impeller pump usa
    • Replies: 2
    • Forum: USA
  3. Andyh

    Single impeller pump ( mixer shower)

    hiya fellas , Been given a bathroom spec and it includes a universal single impelled pump to run a ( hot side)mixer shower valve... and been toto connect cold side into mains...? Is that asking for problems.. i.e. Unbalanced supplies
  4. T

    Central heating pumps

    Over the last 18 months ive fitted a fee CBS pumps ive got from ebay!! Now tonight ive been out to cold central heating system where the pipes by the boiler are hot. This was the first system id fitted one of the CBS pumps onto 18 months ago. the pump had siezed solid! Now im a little...
  5. B

    Running twin impeller pump off indirect hot water without a surrey flange, bad idea?

    Hi all, I'm pretty sure i'm correct here and not going mad but wanted to check before causing problems. My mum is looking to get some bathroom work done and the company she is thinking about appear to be suggesting sighting a twin impeller pump under that bath to feed the shower and taps...
    • Bob Hill
    • Thread
    • flange hot hot water impeller indirect pump running surrey water without
    • Replies: 9
    • Forum: Plumbing Jobs | The Job-board
  6. jaydebruyne

    Twin Impeller Pumps & IP Rating

    The box which houses the electric connections on the pump itself, are they IP rated to resist water splashes?
  7. W

    Secondary return problems

    Hi chaps. something that's really scrambling my head here that I'm hoping someone can help with. Im connecting a grunfoss comfort onto a secondary return circuit into a megaflo cylinder. Pipe work run is 22mm from the top of the cylinder for a distance of about 12m in this pipe run there are...
  8. B

    Single impeller shower pumps/

    hi i was wondering i have 2no x 22mm stuart turner monsoon 1.5 bar single impeller pumps stripped out from commercial job in my garage iwas thinking of using them side by side in a bungalow cupboard to supply 2 mixer valve/mira coda showers?i would be using one pump for the cold and the other...
  9. M

    Cost of replacing HWC with unvented cylinder

    I have a customer who I am installing a new bathroom for. She has a vented system with a small (140 litre) HWC with an immersion heater and storage heaters for heating. She wants a power shower so I would have to install a reasonable pump (approx £300). My question is if she changed her HWC to...
  10. P

    Pump Query and a horrible feeling

    Hi Our mixer shower has always run slowly with very low pressure (taps seem fine). We asked around and one electrician suggested a dual pump but also told us that this was really work for a plumber. So, we contacted a plumber, told him what the electrian had said and he came out to fit the...
  11. M

    can i put a single impeller....

    pump on the hot water supply to boost the hot water supply to the whole house. My mate is looking to improove his hot water pressure in his house which is rubbish. Could i fit a pump via an essex flange and connect to the existing hot water supply whilst blanking off the existing pipwork by the...
  12. D

    Wickes 1.5bar twin impeller shower pump problems!!!

    Help!! I have just replaced a worn out shower pump with an equivalent spec pump: Wickes 1.5bar twin impeller, in a conventional gravity fed hot water system. I thought it would be a straightforward swap, but having been through all listed trouble shooting tips and checked for air locks, correct...
  13. D

    Pressure booster, single or double impeller or two single impeller pumps and where?

    Hi All, I have been wandering for a while if I can install (actually, not me, but a plumber) a booster pump at the base of the water tank and then install a T pipe downstream so to feed the cold and hot (passing through a hot cylinder) water pipes. Can I install a booster single impeller pump...
  14. L

    Central heating pump

    Hello, Can anybody please tell me how to check if a central heating pump is working? thanks
  15. B

    Worcester Combi 240RSF - Noisey

    My old Worcester combi has become noisey and seems to be labouring during this spell of cold weather. The CH pressure is normal, and has been good since I replaced the PRV in the summer. It seems to have started since I turned the water temp setting up from about 1/2 to 3/4. The noise is a...
    • boydell
    • Thread
    • appliance cold cold weather combi dhw gas hot hot water impeller noise parts pump screw spares water weather worcester
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board
  16. I

    Washing machine - cannot access pump :(

    I have a Zanussi zwf 1621w and when it is finished its wash we get 2 x beeps and some of the water isn't drained. A check of the manual indicates that the pump may be blocked (2 x beep error code). The manual says in the bottom right corner of the machine, open the service flap, use the...
    • ivrytwr3
    • Thread
    • access blockage cannot code emergency error error code impeller machine manual pump remove repair washing washing machine water
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board
  17. L

    New member - Riello RDB lockout problem

    I have just joined the forum and I have found it to be a superb source of information. I was prompted to join to try and sort out the problems on my Camray 5 boiler. It is soon to be changed for a Grant external boiler but a friend of mine who is a registered installer has not managed to fit it...
    • lawnmowerman
    • Thread
    • air bleed boiler burner cold filter fitting header tank hot hot water impeller lockout loft member no hot water noise pipe power problem pump rdb reset riello tank valve valves water work
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  18. O

    Hi all Radiator heat problems

    Hiya all ive just joined the forum had a quick look around hoping for someone to point me in the right direction. My old dear is away for awhile and due to this freezing weather at the moment i need to try and fix the problem Basically i have got a Hunter fire with back boiler, the system...
    • olis
    • Thread
    • boiler fix hatch head header tank heat hose hot hot water impeller oil pipe pipes problem problems pump radiator radiators system valve valves water work
    • Replies: 20
    • Forum: Plumbing Jobs | The Job-board
  19. C

    Help please! Have I got a leak?

    Hi I'm sorry if this is going to be long-winded, but I had a water pump that served the hot and cold water to the whole of my house, but after just two and a half years it started to leak (hot side). I discovered that it was possible to fit a seal kit and the pump engineer came on Saturday...
    • caro
    • Thread
    • central heating cistern cold cold water expansion flange head help hot hot and cold water hot water hot water system impeller kitchen lead leak leaking please pump seal system tap temperature valves water work
    • Replies: 20
    • Forum: Plumbing Jobs | The Job-board
  20. G

    Ideal isar HE 24 Banging

    I have been to an Ideal isar HE 24 which is banging and locking out. I listened to continuous run of fault from customer about this boiler which was from wormfront. I am familiar with the isar and some of the problems but this one has got me stumped, any HTG engineers advice greatly appreciated...
    • Graham HTG
    • Thread
    • banging blockage boiler boilers dhw diverter diverter valve filter flow flush gas high ideal impeller isar job low flow power pressure problem pump supply valve water
    • Replies: 27
    • Forum: Plumbing Jobs | The Job-board
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