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pump

  1. P

    Constant head pump for old combi?

    Hello forum, 1st time here. The Grundfos 3-speed pump in a Worcester Heatslave 15/19 oil combi boiler is on its way out. The boiler is old but in v good nick. The network is trunk/branches. All rads (but one) have TRVs. Pump is set on max, which seems to be what it needs when supplying all...
  2. J

    Pressure Pump strain on incoming line?

    Does a pressure pump system add additional strain to the line coming from the city water meter to my house? 200' run
  3. bob the fiddler

    S-Plan redesign for ufh, buffer tank, dhw, heat pump /with solar

    I have looked at the S-PLAN wiring diagram (standard) for my new UFH/DHW system, but I don't think it offers me the best use of the new heat pumps resources, given i want to run the heat pump at low temp for a long time during sunlight hours only. Instead I came up with different control plan...
  4. J

    pump on solid fuel to overcome pipe drop

    Hi Looking at some time connecting my solid fuel boiler up to HW cylinder, problem i have is where cylinder is the first floor drops by about 350mm so can not get a continues rise in pipe work, attached should be a diagram i think would overcome this issue, can you see any issues with what i...
  5. R

    control underfloor heating pump wirelessly?

    hello newbie diy-er here looking for some guidance please :) gas boiler (downstairs) was connected to underfloor heating pump and valve (attic, along with hot water storage tank), coming on with the hot water the wiring between the two has failed - cable was exposed to water leak - so now I...
  6. F

    32 Ideal Vogue Max - reduce pump speed? (noisy expanding pipes)

    Hello all, At the start of the year I had a 32 Ideal Vogue Max fitted and all was well, it's working fine. Problem is, I was getting floors done at the same time so I had a very limited time to notch out / felt between the pipes & joists. I thought I got them all but, I didnt and the noise is...
  7. S

    Grundfos Pump UPS3 Head

    Hi Guys, Got a knackered Grundfos UPS 15-60 130. Have a replacement Grundfos UPS3 15-50/65 130. Is the UPS3 pump head compatible with the UPS 15-60 body so I can just replace the pump head, or would I need to fit the UPS3 body as well? Thanks
  8. S

    Plumbing in a de-strat pump.

    Hi, first post here and am after some advice please. I'm having solar panels fitted in the next few weeks and the fit will include an iboost+ to use the immersion element to generate hot water. I've checked the immersion and using a couple of heat sensors it's apparent the element only heats the...
  9. I

    Baxi combi boiler water pump valve leak

    Recently the central heating pressure kept dropping in my baxi combi boiler, I topped it up yesterday evening and this morning in needed topping up again. I noticed a small leak from what appears to be a valve on top of the water pump. Looks like it's a screw and maybe if I tighten it it will...
  10. gmartine

    Bahco Slip Joint Pump Pliers (8224) Offer.

    Seems like a good deal...£16.57 with discount code. eBay item number: 154980230006...
  11. M

    Salus MP100 pump replacement

    I think my old Salus MP100 circulating pump maybe on the way out. Sounded a little noisy and now I’m getting an error (no water flow) message on my new Ideal heat only boiler and it’s not coming on. Ideal engineer coming next week. I see there is a new model MP200A which I may get it swapped...
  12. K

    Underfloor Heating Pump Settings

    Hello, I have a piped underfloor heating system in the kitchen. The valve/mixer/pump unit is under the stairs. It has a number of settings and a digital display. Settings include PP1, PP2, CP1, CP2, I, II, III, Auto, a number followed by W, and what looks like a night mode setting. When I...
  13. H

    Grundfos UPS 3 pump - blocked message

    I have moved into a house which uses a Grundfos UPS 3 pump to circulate the water in a wet underfloor heating system. Last autumn the pump would not start - the blocked message showed - so I replaced it. This year, the same thing has happened with the new pump. I have freed the impeller using...
  14. J

    Condense pump pipe run

    Hi all, I'm due to fit a condense pump on a boiler install. I'd love an easy install. The little plastic pipe from the condense pump obviously goes up first. But after that? Can I get away with a short (3m) horizontal run before I run it into the soil stack? Or would I be pushing my luck...
  15. D

    Shower Pump & Surrey Flange problem

    Had a plumber here for 4 hours today to fit a shower pump. He disconnected the hot water outlet from the top of the tank and after 3 adapters for the surrey flange left after re-instating the setup with no shower pump. He said that he could not find a fitting to attach the thank. I am in a 10...
  16. T

    Is my circulation pump failing or my boiler control?

    I have a Viessmann Vitogas 100, installed about 17 years ago by a previous homeowner. It also is the boiler for hot water, so it runs all summer in hot water only mode. I’ve turned the heating component back on, but it’s not working properly. It would appear the circulation pump stops working...
  17. K

    Hot water air lock after fitting new shower pump??

    Hi, I've just changed a stuart turner pump for a newer version (like for like). Cold water pressure is as should but hot water is trickling through maybe 35% of cold water pressure. I've turned pump off ran cold water for 5 min then hot water for 5 Min with shower head off to no joy any ideas...
  18. M

    Does anyone know what replaced the Salamander PL 50 TWIN pump please?

    Does anyone know what replaced the Salamander PL 50 TWIN pump please?
  19. T

    Positive or negative pump

    Hansgrohe Raindance Select E Shower System 120 with Showertablet Select Thermostatic Mixer and Shower Rail 90cm - 27027400 This shower states can be used with a universal (negative head) pump but my pump is a gravity fed positive head installation. My question is would I be ok to use this...
  20. H

    Grundfos Super Selectric circulator pump concerns

    With only the hot water programme running, my Grundfos pump switches on and off throughout the day and night. It runs on a 4.5 minutes on and 1 minute off cycle. It only stops when the hot water programme switches off at around 10pm. This seems to have started since I had my emersion tank and...
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