which

Which? is a United Kingdom brand name that promotes informed consumer choice in the purchase of goods and services by testing products, highlighting inferior products or services, raising awareness of consumer rights and offering independent advice. The brand name is used by the Consumers' Association, a registered charity and company limited by guarantee that owns several businesses, including Which? Financial Services Limited (Which? Mortgage Advisers), Which? Legal Limited and Which? Limited, which publishes the Which? Papers.
The vast majority of the association's income comes from the profit it makes on its trading businesses, for instance subscriptions to Which? magazine, which are donated to the campaigning part of the organisation to fund advocacy activity and inform the public about consumer issues. Which? magazine maintains its independence by not accepting advertising, and the organisation receives no government funding. The Consumers' Association is the largest consumer organisation in the UK, with over 573,000 subscribers to its magazine.Until 2006, the association used prize draws similar to those of Reader's Digest to attract subscribers, but following criticism they were discontinued. The Association now attracts subscribers to its publications with free mini-guides and trial offers.

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  1. B

    Which Worcester Bosch Boiler For Our Home? Please Help!

    Hi All, We may need to replace our boiler - the OLDER version Worcester Bosch 35Cdi (see images attached) Our home is a 1920's Semi 5 Bedrooms 2 Bathrooms 5 x Large (1800mm) Double Panel Radiators 1 x Large (1800mm) Single Panel Radiator 3 x Medium (1400mm) Double Panel Radiators 2 x Short...
  2. D

    Which order to connect my returns?

    Hello everybody. I am just about to install an unvented cylinder. 2 heating zones, one hot water zone. It's an S-Plan system, with an auto bypass. I remember reading about a rule of thumb when connecting my returns back to the boiler, but can't quite remember exactly what it was talking about...
  3. M

    19 new TRVs needed. Which?

    I Need to fit 19 new TRVs on my system as the old ones are pretty shot. Some are alot newer on the lower floor but I think it's best to fit all new TRVs and Locks. Which TRV would you guys go for. I want something decent and reliable. Happy to spend upto around 20 a set. Drayton 4 come up...
  4. D

    which combi to chose to replace WB 35 cdi?

    what is difference if any between glow worm ultimate 3 35C and energy 35C erp combis my inlet mains 3bar flow rate 16l/min 2 showers, bath 12 rads
  5. W

    Extent to which you would conceal internal water meter?

    Obviously it needs to be readable and good practise would require you can get at it without damaging anything (albeit it might still be a pain in the rear) but does anyone know if there any other rules water boards tend to have about accessibility? Or other reasons why I shouldn't consider what...
  6. mbc0

    Which Outlet Should I Use From HW Cylinder?

    Hi, Just after an opinion on where to tap off the HW Cylinder to feed a downstairs shower (Pumped) I fitted a new Cylinder last year with an extra 22mm tapping (marked 2 on the picture) to feed a shower pump in the upstairs bathroom for the shower and basin tap. I am now installing the...
  7. B

    Two Pressure Valves, Which to Believe?

    Hi, I have two pressure valves on my central heating system. One is built into the boiler and the other is separate, located less than a meter away. Both go up and down with the heating, but both show different values and are out by about 0.5 bar. The one built into the boiler is always...
  8. M

    Bathroom heated ladder towel rail - which valve to use?!

    Hiya I’m new to this forum and in need of some advice for my new home please! The bathroom has a chrome heater towel rail radiator and at the bottom on each side there is a valve...I’ve tried adjusting them both but they don’t seem to do anything so I’m just intrigued as what their purpose is...
  9. S

    Which boiler - Alpha, Glow-worm, Worcester, Vaillant

    Need a new combination boiler, so far have had two quotes one for an Alpha E-tec Plus 33 and one for a Glow-worm . The glow-worm one said they use the same parts as Vaillant so are as reliable. Are Alpha and Vaillant good alternatives to Worcester and Vaillant?
  10. Roy Tucker

    Which boiler should I choose, Feedback appreciated!

    Hi, I am new here and this is my first post so thank you in advance for your comments and feedback. I live in a four bed house which was built in 2001 and included a Potterton Suprima 30 boiler with Boilermate 2000 storage tank, an interesting system and every item in it has been replaced over...
  11. B

    draught meter which to use

    can you use a kane 3200 draught meter on natural draft oil boilers ?
  12. M

    Which FGA is best at not turning off

    I've got an anton that stops working after a year, i know they need to be re calibrated which is fine, its away now, but for me if a car stopped working after a year people would probably be up in arms.. Are there any analysers that don't shut off at exactly 1 year like this anton..
  13. R

    which single skin oil tank.

    Planning fitting a new single skin oil tank and was wondering if anyone has ever seen one of the upright vertical tanks splitting.Seen lots of pictures of the horizontal type splitting at the ribs, was wondering if the upright shape is less susceptible to it.Does brand make any difference, i am...
  14. T

    Which radiators to purchase

    Hi I have a Living room Size: L 6mtrs W 5mtrs H 3.25 mtrs Using an online calculator basic heat calculator = 4719 watts(16103 BTUs). There is one Wall Window (Top opener) 1200mm x 1100mm 2 x Velux Roof lights 1180mm x 1140mm All Windows Double Glazed. The ceiling is vaulted 3.25 high...
  15. P

    Which Grant boiler has top (vertical) exit flue

    Simple question, I hope. Which Internal Grant system combi boiler has a top / vertical flue option? We need a 21Kw but it can only vertical. Grant's info doesn't seem to make it very clear. Thanks in advance.
  16. X

    How to drain only hot and cold feed to a bathroom which is on a drop from an Unvented cylinder.

    The system has an unvented hot water cylinder which heats the water upstairs (via an immersion heater) and I need to drain down the pipes so I can move the two pipes feeding the sink in the bathroom. There are two showers (on a separate drop) one bathroom (on it's own drop) and one sink...
  17. J

    Which size gas terminal?

    Originally, I though this was going to be a straight forward question and then just now I checked something. To cut a lengthy explaination short...a friend has what we thought was a living flame fire, which sits within a brick chimney breast. Work is being done on the chimney on the roof and it...
  18. K

    Which FGA do you use?

    As title says. How about the TPI one - what do you guys think? It's quite cheap... Also, if you don't have a printer, do you just save the readings on the device?
  19. Last Plumber

    Lazer Measures. Which one do you recommend?

    If you have one of these, which one did you buy and was it worth it?
  20. L

    Which central heating boiler configuration for holiday home attached to my house

    I'm in the process of converting part of my house into a holiday let but have had 2 different solutions suggested on how to heat and provide water to both properties. I only have oil as the fuel option. 1 plumber has quoted for 2 separate boilers; one is a system boiler to replace our current...

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