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water

  1. M

    Efficiency of air source heat pump water cylinders

    Does anyone know the efficiency levels of the unvented hot water cylinders with a heat pump on top with vents to get the air in to it. I think I'm correct in saying a normal direct unvented cylinder will be 1kw of electric to 1kw of heat
  2. R

    Limited hot water in winter

    Traditional 80s set up: Ideal classic gas boiler, hot water, tank separate pumps for CH and Hot water It all works just fine in the summer Come the winter I can get barely 2 - 3 inches of water in a bath before it goes tepid If I leave it for 5 minutes I can get a further inch maybe so it is...
  3. T

    Hot water on with heating yes or no

    Morning like some advice we have hot water tank k for hot water and boiler for heating we can set water or central heating on at different times via our hive app what's the best both together on timer or on separate times just not sure what's best for money and boiler usage
  4. T

    An Boiler be left on with water tuned off?

    I have a Worcester Greenstar boiler and would prefer to turn off the water supply to the house during 2-week absence. Is it safe to do this? Advice appreciated.
  5. T

    What plumbing tape is recommended for a copper waste water pipe

    Hi there, We have a leaking waste water pipe which our washing machine, boiler and dishwasher feed into. We are working on getting a plumber in to fix but it is taking a while because access is awkward. In the meantime, we're looking at using some tape to seal the leak but there are lots of...
  6. abc_plumb

    Biasi Riva Plus He 28C - No hot water

    Boiler: Biasi Riva Plus He 28C Erp GC: 47-583-42 Serial No: N056941117 Hi fellow engineers Need some help on this boiler please. Boiler works fine for central heating, but as soon as hot water is turned on, all the fault leds flash, middle red lock out led solid. There was another fault...
    • abc_plumb
    • Thread
    • biasi riva hot water plus riva plus water
    • Replies: 0
    • Forum: Boilers
  7. M

    What is causing water hammer in my flat?

    Hello I wonder can anyone shed any light on what is becoming an annoying problem? I had a new stopcock installed in my second floor flat a year ago. This was intended to stop water hammer which had been taking place. However, recently the water hammer has returned and from what I can tell it...
  8. A

    F&e tank vent pipe pouring hot water

    Hi all I have an oil fired heating system open vent with an f&e tank we had some problems with air constantly getting into the radiators and one of them doesn’t work at all, the system is quite dirty and have now noticed everytime we use the boiler the vent on the f&e tank is pouring hot water...
  9. I

    Not much water from shower head but high pressure in tap

    Dear Professionals, could you please advise. I have standard mixer tap in my bath (its about 15 years old, i recently bought the house). The water comes out from tap itself in massive amounts, bath can be filled in 3min, same if i unscrew shower hose - the water will shoot up very high, however...
  10. D

    Plastic hot water connection. Which compound to use??

    Hi, I have a leak on the hot water inlet of my concealed Aqualisa Gainsborough shower. I have stripped it back and with the hot water feed on I can see the drip appear at the bottom of the plastic screw fitting. I want to ensure that when I re-tile it, I won't have the same problem in the...
  11. N

    Where to put softener in water system?

    I live in Azerbaijan, the house has three full bathrooms and has had up to 7 people living there. We store about 5-6 tonnes of water - a necessity because we've had no mains water for the last 2-3 days. We currently have two plastic tanks but they are impossible to clean, so I am replacing them...
  12. M

    Heat pump hot water cylinders

    Has anyone fit the hot water cylinders with a little heat pump on the top that has ducts to bring inside and outside air in to the unit. Piping up wise is it just the same as a normal direct cylinder?
  13. P

    water pressure problem, unvented system

    I'm trying to sort out a problem with low water pressure at my elderly parent's house where they have an unvented system. I got a plumber in about a month ago who repressurised the system, after which it seemed better. However there still seems to be a problem, which is most noticeable with the...
  14. T

    Water appearing in washing machine when run kitchen taps

    Hi there! When I run hot or cold kitchen tap, clean transparent water slowly appears in washing machine - this water smells - have to scoop it out! Not sure if issue is installation - washing machine is sited not far from sink (live in flat and kitchen small). Here is a picture of the piping...
  15. K

    Seeping pipe connection to Loft Cold water

    Had a problem with hammering noise coming from pipes (triggered by hot water, though it could be eased if you put the cold water on). Went through everything i could, checking joists etc. Problem appeared to be the ballcock in the loft cold water tank. Ive replaced it but for the life of me i...
  16. I

    Water hammer/noise from pipework at night?

    I attended a Job where the customers complained about noisy pipes more often late at night bur sometimes in the day. While I was there, there was no issue but the combi boiler was set to preheat and they said they usually put the washing machine on late at night. With their permission I turned...
  17. M

    Aqualisa electric shower, mains water entry point blanking plug

    Hello, Im looking for help in tracking down a replacement part for an Aqualisa Energy 10.5 Kw Shower. The bit that has started leaking is the top facing mains entry point- Im using the bottom entry point. Ive attached a few pics of the part in question. It has the grey sleeve in the centre of...
  18. A

    Cold water flowing back into hot feed.

    Hi, I'd be grateful for some advice please. Every 12- 18 months I have a problem with cold water flowing back into the hot water feed through a shower mixer cartridge, causing all hot water feeds to run tepid or cold. Replacing the mixer cartridge fixes the problem, but only for a while...
  19. E

    Replace a water tap

    Hello, I have to replace the kitchen's water tap. I am attaching images (*.img) of the under sink existing pipe connections where some welding and corrosion seem in place. The water tap my wife has already bought has different hose pipes, see please attached housepipe image. Any advice on how to...
  20. J

    Danfoss - heating water

    Hi All, I hope you are well. I have Danfoss CP715Si controller and when I try to heat water the boiler does not kick in. When I select Hot Water to ON or press +1HR button to turn it on for one hour the red light comes up on the controller but the boiler does not kick in. It does kick in when I...

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