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  1. L

    Combi hot water cycling hot cold hot cold

    Morning all, ok so since having a new Worcester greenstar 8000 combi installed I’ve been struggling to get constant hot water… it runs hot for a minute or two then cold then hot etc. the system has been power flushed, magnacleansed, radiators agitated (very little sludge came out) it has mesh...
  2. D

    House pressure reducing valve cold water hammer

    Having issues with water hammer, I have a megaflo with balanced hot / cold using a heat stadia 3 bar prv, this seems ok as getting 3 bar at taps with test gauge, the outside tap is between the house incoming stop valve and the 3 bar PRV and that is showing just over 4.5 bar. If I switch a hot...
  3. A

    Do you have balance hot and cold water pressure with a combi boiler?

    So getting a digital shower and it says the hot and cold water should be balanced. Am I right in thinking they should already be balanced with the hot taking on the cold pressure entering the boiler or am I way off? Cheers
    • AcidOverride
    • Thread
    • boiler cold combi combi boiler pressure water
    • Replies: 1
    • Forum: Boilers
  4. K

    new boiler just in, HW from shower goes cold after (5-10 mins),

    • kareena2b
    • Thread
    • boiler cold new boiler shower
    • Replies: 1
    • Forum: Boilers
  5. RichardWoking

    Cold water overwhelming hot to showers

    Recently 2 of my showers stopped producing hot water following a plumber refitting another of my ensuites. The 2 showers in question are pumped with a Salamander twin house pump. Hot is reaching the showers (hot feed to mixer is hot), yet both showers are luke warm, at best. The other recently...
  6. atorso

    Hisense dishwasher hose won't connect to cold water supply

    We've had a new dishwasher delivered - Hisense HS661C60WUK - and I'm having trouble connecting it to the cold water supply. It just won't screw on all the way. Threads don't look damaged to me. Looks like it's some sort of anti-flood hose (?) which I've never used before. No info about this in...
  7. J

    To insulate both hot and cold pipes?

    Hi all, I just learned the external pipes for boiler system should be insulated especially in loft and garage as they are in very cold area. I checked my loft and found some pipes are insulated but others are not! I think it is because the insulated pipes are from previous owner's, since I...
  8. N

    Can I adjust the hot/cold water flow into a shower head?

    I’m hoping someone can help me. I’ve had a bathroom installed, and the whole process has been a nightmare. The plumber has now disappeared, and left things half finished. Some stuff I can sort (toilet and towel rail not actually being secured to the floor, bath not sealed around, leaking bath...
  9. M

    Cold Water Tank In Loft - Cause Of Flood Dispute?

    Having just moved into a property and discovering the central heating not functioning, after 3 months we eventually was able to get the property management to have one of their heating engineers attend. He was literally here 10mins and in the loft space for 2mins, where he stated he discovered...
  10. I

    Low cold water pressure after vented boiler replacement

    Hello, I have a had a gravity boiler replaced from a Potterton 80e to a more recent Valliant ecoplus boiler. The cold water tank is in the loft space directly above the 1st floor bathroom and the hot water copper immersion tank is in the 1st floor bathroom cupboard space. A fairly normal...
    • intamixx
    • Thread
    • boiler cold pressure replacement water
    • Replies: 6
    • Forum: Boilers
  11. A

    Capping old hot and cold pipes

    Looking for some opinions on whether you should cap old hot and cold water pipes. A plumber I got to remove some old sinks from bedrooms has capped off the hot and cold pipes under the floor. I thought it didn’t quite seem like the best thing to do and thought he would completely remove the...
  12. M

    Dishwasher Cold Water Supply Hose Leaking

    Hi I have a dishwasher cold water supply that is leaking (See Photos). My initial thought was the washer was maybe gone but looks ok. Thought about PTFE tape but everywhere says this shouldn't be needed? Any suggestions? Thanks!
  13. 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...
  14. T

    Boiler runs ok when cold and lasts about 30 minutes

    I have a 10 year old oil boiler has run well and gets serviced every year all tests are spot on, last week started locking out, would reset and run for short time, engineer fitted new control box and said thats it he was only away 10 minutes and it locked out, now waiting on new photocel, boiler...
    • Tom Gorrian
    • Thread
    • boiler cold
    • Replies: 2
    • Forum: Boilers
  15. F

    Hot feed from twin pump stalls when cold feed starts in bath mixer tap

    Hello All, Hoping for a bit of advice/info in this one: My Setup Small system in apartment with cold tank above hot tank in the hotpress, so fairly low head pressure. Installed a pump about 15 years ago and worked fine until last week (original pump was an Stuart Turner ST55 replaced after...
  16. Y

    Two cold radiators, rest fine, balancing doesn't seem to help

    Hi everyone, I have CH with a system boiler with a header tank and 8mm micro bore pipes to the radiators, fairly standard setup I guess. House is 1990s. My issue is that two of my radiators are cold, while the rest are perfectly fine. Both the problem radiators are downstairs and close...
  17. R

    Hot water coming from cold water taps

    Have got hot water coming from upstairs cold water taps. Nothing has been recently changed or adjusted. System boiler connected to Heatrae Sadia CL210 unvented cylinder. Anyone got any ideas as to what could be causing this?
  18. L

    Boiler high pitched noise in cold weather?

    Hi, can anyone help me resolve this issue with my ideal logic combi Esp1 35. It is making a very loud high pitched noise whenever the outside temperature is cold, when either CH or HW is being used. For example, first thing in the morning on a cold day, run hot tap or turn up CH stat and the...
    • Lewis Davies
    • Thread
    • boiler cold high noise
    • Replies: 4
    • Forum: Boilers
  19. T

    Sweating cold water pipes

    I have sweating cold water pipes, even though I have insulated them with foam it's still sweating. Any ideas what I can do next?
  20. J

    How to convert current mixer valve tap to a cold water supply inlet.

    Any plumbers can advise the best way to convert the current mixer valve tap to cold water supply inlet for electric shower. I have mixer valve tap , I would need to install a new electric shower on shower area wall .Currently is the mixer valve tap. I want to know how to do before I ask the...
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