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pump

  1. C

    what is this part called ? reillo g3b oil pump

    got new oil and tried to start my reillo g3b oil burner ,when it idnt fire and went to lockout i bleed the pump and check the nozzle ,and eventually took apart the pump to find lots of black oil slug around the oil pump.so i cleaned all the stuff of and cleaned through the pump and the only...
  2. Sparkgap

    What's better than one pump?

    Went to a small hotel we put new boilers and cylinder in last year as they were complaining about no hot water and heating on the top floor. I should add that's all we did as I thought the existing systems needed total ripping out and starting again but they didn't want to spend the money. Hot...
  3. P

    Air-to-Air or only Air-to-Water Heat Pump?

    In my new high efficiency house, I will have UFH with an Air to Water (A2W). Heat pump Monobloc, but for extra cooling on hot days I think extra air cooling with FCUs is needed: Should I use a secondary Air (to coolant) to Air system, or stick with just the Air to Water system to also drive my...
  4. R

    How do I stop Air being sucked into pump of Vaillant heat only boiler?

    Vaillant ecoTEC Plus 400 15kW Heat Only Boiler I've got air in the pump and one gas engineer has said I need to move the pipes as they are configured incorrectly. Another said all I need to do is add an AAV as high as possible. Another said I should seal the system. Boiler was installed in...
    • raidac
    • Thread
    • boiler heat pump vaillant
    • Replies: 9
    • Forum: Boilers
  5. S

    Grundfos ups3 pump issue

    Ups pump issue Fairly recently, say 12 months ago, we had a new pump fitted. It's a grundfos ups3 15- 50/65 130. (We have a small expansion tank next to the large tank in the loft. So not a sealed system) After it runs normally for several hours it just stops working. The radiators obviously...
  6. D

    Fuel pump voltage at 80volts

    Hi, just fitted a new fuel pump and control unit to my ecotherm boiler but I still can’t get any fuel to the top of the pump, nothing coming out of the bleed screw but definitely fuel in the bottom of the pump. I checked the voltage to the pump and it’s only 80volts but there is 240volts going...
  7. R

    How long to install shower pump? Reality check required, please.

    Hi. I'm currently estimating on installing a new shower pump to feed an existing bath/shower diverter. Hot side: fit flange and spherical valve and Y strainer to old cylinder, reduce to 15 mm and to pump flexi and reconnect existing hot distributing pipe. Repair shelf in AC and fit twin...
  8. B

    How to properly plum a utility sink with pump in basement?

    I just purchased a home and I would like to install a utility sink in the basement with a pump. Below is a pic of the room in the basement. The sink would go under the window. I have a pic of a diagram of the plumbing I would like to install. I am just a beginner and do not have much experience...
  9. J

    Grant Vortex Blue no power to CH pump

    Hi, I have an issue with my Grant Vortex internal combi boiler. Specifically the electrical side. Everything was working fine (with a dual channel Hive system) but then the central hearing stopped working. When looking it seemed like there were a number of loose contacts as when we moved the...
  10. S

    Auto Bypass Valve OR Proportional Pressure pump mode – how to choose?

    I have read that an Auto Bypass Valve (ABV) is not compatible with a pump set to Proportional Pressure (PP) mode. I have a recently fitted Vaillant EcoFit Pure 430 heat-only boiler + Vaillant SensoComfort weather sensing controls + 15 rads (12 with TRVs) across 2 CH zones + a static bypass...
  11. P

    Noise water pump, any

    Hi all, I’m looking for a bit of advice. A flat two stories up from mine has installed a water pump that feeds all of their outlets (shower, toilet, sinks, washing machine, dishwasher …) from a loft storage tank. Alas, the pump seems to be sending vibration down the walls and into my flat. The...
  12. J

    Pump control to thermostat wiring

    Hi Installing single zone ufl with Grundfos pump/mixing valve and heatmiser thermostat - not crystal clear from the diagrams how the control connection to LR/LS should be wired (i.e. red on the pump control diagram) Any advice much appreciated!
  13. J

    Water pressure - electric shower or water pump?

    Hi All, I hope you are doing well. My question is about the dilemma of installing an electric shower or a water pump instead? The hot water pressure in upstairs bathroom is a bit weak. I could get an electric shower installed but I also consider a water pump. What would you suggest? A pump...
  14. R

    Installing a new pump for Vaillant ecoTEC Plus 400 15kW. West London

    Removing pump and installing a new pump for Vaillant ecoTEC Plus 400 15kW Heat Only Boiler. Connecting the pump to the boiler and completing all wiring for the thermostat and consumer heating controller.
  15. R

    What is ideal pump size for Vaillant ecoTEC Plus15kW Heat Only Boiler?

    What is the ideal pump size for Vaillant ecoTEC Plus 400 15kW Heat Only Boiler? The property is a studio with 1 large room, a small kitchen and a small bathroom. I've been advised to use Grundfos UPS3 15-50/65-130.
    • raidac
    • Thread
    • boiler ecotec heat ideal pump size vaillant
    • Replies: 1
    • Forum: Boilers
  16. R

    Is Britherm pump a better choice than Grundfos

    Is Britherm pump a better choice than Grundfos for Vaillant ecoTEC Plus 400 15kW Heat Only Boiler Wiring is SPlan and the intention is to install Grundfos UPS3 15-50/65-130
  17. N

    Grundfos pump irregularities

    Hi everyone, We have had issues with our Grundfos UPS3 15-50/65 130 ever since installation. The builders created 3 sections in one space. Two in the kitchen and the third in the living room. The 3 sections have never worked in unison so one was disabled to leave one for the whole kitchen and...
  18. R

    Vaillant ecoFIT 415 heat only boiler. Connecting the pump and boiler?

    Vaillant ecoFIT 415 open vent heat only boiler. For wiring the boiler and pump, should I use the 3-way wire switch" solution OR a "remote switching" solution? The pump and copper tank are situated about 25ft from the boiler. I've been told that the 3-way cable solution doesn't work well with...
    • raidac
    • Thread
    • boiler heat pump vaillant
    • Replies: 6
    • Forum: Boilers
  19. alex567

    heat pump and water cylinder installed away from the house, pros/cons

    I'm planning to get an air source heat pump (ASHP) installed and I'm considering my options about the location of the water cylinder as I live in a small house and space is a premium. I was thinking about building a small insulated shed about 20 to 25 metres away from the house to put the...
    • alex567
    • Thread
    • cylinder heat house pump water water cylinder
    • Replies: 10
    • Forum: Renewables
  20. D

    Dry run protection for DC Solar Pump sourcing water from a borehole

    We are installing solar power irrigation systems for smallholding farmers in Rural Ghana, We have 12V DC 0.18kW (max 20A) pumps, there only power source will be a voltage varying from 15-20V coming from solar panels. The boreholes are narrow, therefore is not much room for a float switch, The...

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