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flow

  1. Fusion

    Rothenburg water flow cups

    Hi guys I have been asked to install a new electric shower at a property. The customer is saying her old one has no power. She has a combi boiler so can’t fit a power shower and the original shower only has a cold water feed. I am looking at investing in a rothenburg flow cup. Are they any good...
  2. S

    No heating flow. Pump and diverter working, what else could be wrong?

    Hello all, I have a WorcesterBosch Greenstar 42CDi classic combi, which is providing DHW fine, but not heating. Was working fine in spring, probably not been used until recently now it's colder. When heating is called for, the boiler fires up ok but soon shuts down the heater as the...
  3. M

    Viessmann 200-w B2HA-35. CH flow pipe hot when only demand for DHW

    Hi, Hopefully someone can throw some light on if this is a real issue or not. I have had this boiler for about 10 years, I noticed just recently that when the CH has been turned off that a couple of the rads closest to the boiler were slightly warm. When the boiler had demand to heat the DHW I...
  4. Z

    Vailant ecotec Flow Return f23 problem

    Please can anyone let me know if the NTC thermostats are on the correct way around?? I did have problems with the return pipe heating up before the flow so I'm thinking the last plumber may have swapped them around somehow. Havin now reconfigure the central heating i've plumbed in all the...
  5. Ant0912

    Flow & Return firebird C26 combi oil boiler

    Hi, can anyone tell me which pipes are flow and return please. I removed old leaking 2008 C26 firebird oil boiler in June . We have now completed damp proofing works & I need to extend these 4 pipes to go through the wall and into a new boiler room. This area will then be stud wall and...
  6. Peadar

    Water flow won't stop after long flush

    My toilet flushes ok when the long flush button is pressed - but water continues to flow into the toilet bowl. No problems with the short flush. I have a Siamp Optima 50, the overflow funnel doesn’t seem to drop back down on the long flush. The short flush does all purposes but family members...
  7. I

    Can I do anything to boost flow rate into my Roca cistern?

    Hello, First post, be gentle! Anyway, here's my issue. I have a Roca The Gap D-Trit close-couple toilet with integrated macerator in my secondary bathroom. In all it's a great solution for a problem location for a bathroom. However, the cistern has a typical european style side inlet pipe, and...
  8. J

    Unable to lower boiler flow temperature.

    Hi. Just got a new Worcester Bosch 28cdi. The central heating temperature control will only turn clockwise from the "e" point which is 62 degrees to the maximum which is 85 degrees. It will not turn anti-clockwise from the "e" point to decrease the temperature. The manual says the "e" point...
  9. 1

    Solar thermal flow meter blocked

    Hi, Solar thermal not so big these days but a couple of Q for anyone who still works in it. Background. I'm an Electrician not a plumber.. I've been maintaining my otherwise excellent solar thermal (Original install MCS by Others), for the last ~ 18 years, over which time I've needed to clean...
  10. I

    Zone valve Flow Direction may be incorrect - Advice required

    Hi, first time plumber and poster here. I've installed two new zone valves and replicated the direction inwhich the original valves were installed. I'm really confused now as I think the originals may have been installed the wrong way round. The Grundfos pumps' arrow is pointing down whereas my...
  11. Z

    Return pipe hotter than flow from boiler

    Seems strange and I may be reading the MI wrong but i dont understand how the return pipe seems to be hotter than the flow. I have a Vailant EcoTec 438 conventional condensing boiler. Here's a photo of the install. You can see the plumber put a Magnaclean on what i thought is the return flow...
  12. B

    Soil pipe cross flow between sink and shower

    Attached is a ground floor picture of the soil pipe in our home. There was originally a toilet which has now been permanently capped off and you can also see a sink waste pipe attached. My plan is to drill out one of the 50mm sockets directly opposite the current sink waste for a new 40mm...
  13. T

    No flow from Megaflo.

    I’ve a Megaflo system with a conventional boiler, and yesterday, with no warning, it stopped passing any water. The cold flow is fine, there’s only the tiniest trickle from the hot taps on the lower floors, nothing on the higher ones. I’ve checked the combination valve for blockages, and...
  14. alexic82

    Flow rate of LPG bottle

    Hi Guys Not sure if this is the correct area to post? Firstly, i'm not doing this work myself but I need to get a question answered as it impacts an outdoor kitchen slab i'm going to pour and need to run pipe or conduit under it. Having a commercial LPG griddle installed on the outdoor...
  15. K

    New mono mixer tap fitted, hot water flow is slow!

    I have just replaced the old bathroom basin mono mixer taps, 2 tap heads, standard compression valve type, to a modern mono mixer single lever type. For some reason the hot water running on the new single lever mono mixer tap is slow flowing compared to the old ones. The cold water running...
  16. P

    System losing flow/pressure

    Hello everyone, I have a problem that has stumped two plumbers so I thought i'd come to a forum to see if anyone out there has had a similar problem. I live in a top floor flat with its own water supply. The tap in the kitchen has 12litres per minute flow (near where the water enters the...
  17. S

    Incorrect flow temp reading

    When there is no demand for heat and the system is "cold", the flow temperature displayed on the front of my WB boiler is still reading 41. The flow pipe feels cold to the touch, definitely not 41deg... Have I misinterpreted what this display is actually telling me?
  18. J

    Bathroom hot water sink tap. Low flow

    Hi, Just had a new bathroom fitted and have a pathetic flow of hot water from the sink tap. It wasn't great before. I can't get hold of a plumber, but any ideas as to what this might be? I also noticed that the pipes that feed the hot tap go into the loft? I know nothing about plumbing, but is...
  19. C

    Cut flow and return pipes

    Hi , need to cut flow and return pipes and hot and cold pipes from boiler to put back into wall vertically approx 3 inches , the pipes in question are 400mm below combi boiler but approx 4mts in distance horizontally , if I was to drain a radiator (I don’t have a drain valve ) would this remove...
  20. D

    Is it possible to 'repair' a Hep2O (Wavin) UFH flow control?

    After balancing the flows, one of these blighters has started to drip very slowly from under the red cap. It feels loose to turn, so I suspect the seal around the spindle is to blame. It won't be 'worn' as such, as they don't get fiddled with for years, but this tiny adjustment was seemingly...

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