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replacing

  1. M

    Replacing old thermostat for Nest

    Hi all, I want to replace my current thermostat with the Nest Thermostat, but wire labels don't match. My boiler is Worcester Greenstar 24i Junior combi boiler, which is on the back of the wall where the thermostat is. Photos here Another Nest Themorstat (3rd gen) question -...
  2. C

    Replacing boiler for combi how shower will connect

    We have a traditional hot water tank with pumps in loft , the hot water I assume goes up into the loft from the hot water tank and the pumps pump it out at a decent rate. If we go for a combi how would this work as feb hot water would come from the boiler?
  3. T

    Replacing very old mixer tap

    Can an old mixer tap leak uncontrollably? The mixer tap in my kitchen is very old,maybe nearly 20 years. For the last year or so it has been leaking and getting worse. Get it replaced you say. Not as simple as that. The pipes into the house are very old lead pipes and years ago did leak where...
  4. B

    Replacing Ferroli Optimax HE 31C Flow Restrictor

    So far, despite the obvious reputation, we’ve been really lucky with our Ferroli Optimax HE 31C. Only had two replacement diverter valves fitted in its life so far and very little else has gone wrong but has been regularly serviced so hopefully will last a little bit longer HOWEVER a small drip...
  5. T

    Replacing Danfoss lockshield valve

    Replacing a rusty radiator (installed 2000) the brass head of the Danfoss lockshield sheared off as it reached fully closed. I assumed that it was a 10mm with a 1/2" BSP connection to radiator. Offering up the nut (18.6mm across the flats) on the old 10mm insulated microbore it was found to have...
  6. M

    Old old glowworm floor standing needs replacing?

    95 yr old parents have an ancient glowworm 40/48 floor standing boiler that sits in middle of bungalow and has vertical asbestos flue up through roof. The gas valve is dodgy so were looking to put in a new boiler..how disruptive would this be. Presume new radiators, pipework, outside wall...
  7. P

    Capping off and replacing an outlet for cold water cistern in loft

    Hi folks Following on from another thread I made recently, the plumber has agreed that the new cold feed he added to our loft cistern should have been lower than the existing feed to the cylinder for hot (he put them both roughly the same at 50mm) and he is proposing to put it right. In terms...
  8. S

    Replacing wireless thermostat

    Hi to you lovely plumbers & heating engineers, seeking advice on replacing a Flomasta wireless thermostat. I inherited it when I bought this house & it’s a bl**dy nightmare to program, heating coming on at all times, unable to easily change temperature for different times. My last heating bill...
  9. L

    Replacing the doughnut and rusted bolts

    The joint between my WC pan and the cistern is leaking - I suspect that the doughnut needs replacing. I imagine that this would be easy enough for a competent plumber. However, the two bolts and the associated nuts holding the cistern to the WC pan have rusted. I have three questions here: Can...
  10. R

    23 year old Vaillant Thermocompact needs replacing - flue problems?

    We built our detached house 23 yrs ago, having a Vaillant Thermocompact boiler with a Megaflo tank, and it's been excellent. The boiler sits in a room under the stairs, with the flue discharging out of the side wall (no windows or doors) at a height of around 2.5m from the ground. The...
  11. D

    Potterton kingfisher MF replacing boiler in situ?

    Hi there! I moved house a few months ago, and our boiler has packed it in (great timing eh?) It's an old thing (potterton kingfisher MF),but was installed in a room in the center of the house with the flue extending out the side wall onto an alley that actually belongs to our neighbour. We had...
  12. K

    Replacing diverter valve

    Hi, this is my first post.. hoping it's an easy one that someone can help me with. I've got a standard system (not a Combi.. just a Bosch gas boiler and a hot water tank). Anyway.. everytime the CH valve turns off, I get a REALLY LOUD clunking noise from the system. I've done some reading...
  13. M

    Replacing taps behind the washing machine??

    Hi i am new & useless at DIY i have old bulky plastic taps connected to my washing machine - due to new units being fit i need 3 cm more space at the back so can i replace with smaller taps? also as the washer is 10yrs old can i cap one off ..if so which one,, hot or cold? i appreciate your time...
  14. J

    Approx price for replacing tempering valve on solar hotwater

    Just wanting advice on the average cost of installing a tempering valve on a solar hot water system located on the roof of single storey home. Ive been charged $445 inc gst, no extra parts needed and took plumber less than 30 minutes to install, it seems a bit steep Any advice appreciated
  15. D

    Replacing British Gas 330+ System Boiler but keep flue

    Hi In new flat, looking to replace BG 330+ system boiler with a combi, but retain existing flue as there are a few bends and quite long - it's still in good condition #(8 yrs old). I'm told the boiler was made by Glowworm, and that their new Energy 7 would do the trick. I'm thinking of buying...
  16. E

    Is a central heating system flush needed after replacing a radiator?

    I purchased a Kudox steel panel radiator to replace a radiator that developed a leak. There is a warning triangle on first page of the Installation Instructions with the following in red capital letters: ‘AFTER INSTALLATION THE ENTIRE CENTRAL HEATING SYSTEM MUST BE THOROUGHLY FLUSHED WITH A...
    • Enthalpy
    • Thread
    • central central heating flush heating heating system radiator replacing system
    • Replies: 3
    • Forum: Central Heating Forum
  17. C

    Replacing an old radiator with a fancy new vertical one

    Hope you can give me some advice. We have an old radiator in our living room which we'd like to replace with a nice vertical one. We're looking at the 1780 x 472mm Anthracite Double Oval Tube Vertical from Radiator Outlet. I have no idea how feasible this will be. The supply pipes are 10mm ones...
  18. S

    Problem matching/replacing Bulldog TRV

    Hi All, I cannot seem to find a replacement for my Bulldog 42 EN215 TRVs. See attached pics. I only want to buy the head. Does anyone know where I can buy these or are they obsolete? Thanks for any advice
  19. U

    Replacing a humidistat with a thermostat

    Hi folks, With gas prices going through the roof I've been looking to maximise the efficiency of our heating. We've got a Potterton combi boiler which is regularly serviced and has generally worked well for the 4 years we've been here. What has always confused me is the 'thermostat', which is...
  20. NeetieM

    Replacing a 12 year old air source heat pump

    Hello, I hope someone can give me some advice on replacing an old air source heat pump. We moved into a shared ownership house last year which has a Daiken air source heat pump fitted to provide heating and hot water. The unit was fitted when the house was built 12 years ago. It seems that the...

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