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flush

A flush toilet (also known as a flushing toilet, water closet (WC) – see also toilet names) is a toilet that disposes of human waste (principally urine and feces) by using the force of water to flush it through a drainpipe to another location for treatment, either nearby or at a communal facility, thus maintaining a separation between humans and their waste. Flush toilets can be designed for sitting (in which case they are also called "Western" toilets) or for squatting, in the case of squat toilets. Most modern sewage treatment systems are also designed to process specially designed toilet paper. The opposite of a flush toilet is a dry toilet, which uses no water for flushing.
Flush toilets are a type of plumbing fixture and usually incorporate an "S", "U", "J", or "P" shaped bend called a trap that causes water to collect in the toilet bowl to hold the waste and act as a seal against noxious sewer gases. Most flush toilets are connected to a sewerage system that conveys waste to a sewage treatment plant; where this is not available, a septic tank or composting system may be used. When a toilet is flushed, the wastewater flows into a septic tank, or is conveyed to a treatment plant.Associated devices are urinals, which dispose of male urine, and bidets, which use water to cleanse the anus, perineum, and genitals after using the toilet.

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  1. T

    Gurgling after flush, then loo drains too low and bubbles. (UK)

    Hi all, seeking advice on my toilet. (Layman here, please be gentle with me.) When we flush the loo upstairs, it flushes fine (therefore assuming no suggestion of any actual blockage) but after the flush we get a rumbly gurgling from deep within the pipework somewhere and the water level in the...
  2. M

    Roca Compatible Flush Plate

    I have 4 Roca dual flush plates with mechanical 2 red wire valves behind them. The only option seems to be to replace with their single option c£50. As all 4 have broken in exactly the same way as have most people who live on our estate I am loathed to keep buying them. Does anyone have any...
  3. 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...
    • Peadar
    • Thread
    • flush siamp toilet valve water
    • Replies: 12
    • Forum: DIY Plumbing Forum
  4. B

    Compatible flush plates with Geberit UP720 (8cm)

    Hello all, We have a Geberit UP720 frame. The frame says depth 8cm. (There's also the UP320 frame, which I guess is 12cm.) We are looking at Geberit flush plates, e.g., Sigma10. Sometimes we read that UP720 is compatible with Sigma flushplats. However, sometimes flush plats are also advertised...
    • Bjoern
    • Thread
    • compatible flush geberit
    • Replies: 4
    • Forum: DIY Plumbing Forum
  5. C

    Slow Flush in toilet

    Hello My toilet flush is busted. The tank takes about 10 seconds to empty and it’s kind of showers down from the middle, rather than that sudden gush that surrounds the entire bowl. It does not generate enough force to really dispose of the waste. I replaced everything in the tank. The...
  6. S

    System Chemical Flush Best Practice

    My first post here, looking for some advice. I've just had my boiler replaced with a worcester 4000 combi boiler. The engineer put chemical flush and inhibitor in when filling up, ran the raditors hot and then tested using a strip. And has left both in saying this is safe, and standard...
  7. Bogart

    Ease of changing a lever flush to a button flush

    Is it possible to change a lever flush handle for a push button one using same cistern? If so any pitfalls I should look out for. Thanks
    • Bogart
    • Thread
    • button changing flush lever
    • Replies: 8
    • Forum: DIY Plumbing Forum
  8. B

    Weak flush - pneumatic button mech or flush valve?

    I have a wall hung pan with a concealed cistern. The flush is the "old style" Grohe Eau2 dual flush pneumatic button. When pressed the flush valve lifts lightly and closes giving a very short weak flush. You can manually lift the flush valve in the cistern and it moves freely, flushes fine and...
  9. F

    Flush pipe seal leaking

    Hi all, New to this forum and new to plumbing. Only just passed Level One plumbing. I am having to go back and look at a leak from the back of a WC. The flush pipe is chrome and I have replaced the flush pipe concertina seal. The seal seems to being pushed out of the WC when flushing. The size...
  10. G

    Powerful flush toilets

    We are looking for a toilet with a good design and a powerful flush as one of our family members produces rather large stools that get jammed in our current toilet - which was an emergency purchase from wicks and was very cheap, we are now ready to spend a little more for something that can do...
    • Gem9976
    • Thread
    • flush powerful toilets
    • Replies: 3
    • Forum: Product Reviews
  11. M

    Power flush & system corrosion

    In December 2022 (i.e. 5 months ago) I had a full system power flush conducted. Now the previously clear UFH flow gauges are black again. Is it possible that enough internal corrosion could have occurred in this time period? I had a separate plumber out a month ago to test some pipework and he...
  12. R

    Viva Skylo flush valve - which number means more flush?

    I have a Viva Skylo flush valve and want to adjust it for maximum flushing power on the full flush. None of the instructions indicate whether a higher or lower number will achieve this, and I can't see an obvious difference in the water volume. Anyone know how the adjustment works...
  13. G

    Cleaning solution flush

    Hi all, First Post on here. I am hoping someone can help with the below. I have mounted 2 new rads to a recent extention we have had. The rads are not connected up to the heating system which is a combi fed system. I thought it would be good practice to clean, flush, refill and use an...
    • gazdkw
    • Thread
    • cleaning flush solution
    • Replies: 15
    • Forum: DIY Plumbing Forum
  14. I

    Accessing concealed cistern toilet to investigate leak

    Hi all Relatively inexperienced homeowner here. Apologies in advance if I get any terminology wrong. Today I noticed some limescale accumulation on/around the grout between the floor tiles next to my toilet. I realised that the grout line right next to the toilet was in fact wet to the touch...
  15. M

    Changing a radiator, to flush or not first

    I have a rusty radiator in the bathroom, not worth repainting as there is already paint on top of rust. It will be straightforward for me to change myself, I can get an identical replacement Stellrad, which makes things easy. The water in the system has inhibitors in it and a Fernox TF1 has kept...
    • mart 341
    • Thread
    • changing first flush radiator
    • Replies: 2
    • Forum: DIY Plumbing Forum
  16. J

    Decent flush to wall close coupled toilet/brand

    Any ideas on the a decent flush to wall close coupled toilet/brand? Should I just go for Victoria Plumb Orchard brand? Just to clarify I'm not looking for a btw type with a hidden cistern. I'm looking for a flush to wall close coupled loo i.e.so you cant see soil pipe/so theres no open back/no...
  17. R

    URGENT Flush pipe alternative

    Just changed our cistern and found somone previously had used a random pipe for the flush pipe. Now they had managed to make it work in the old cistern but it leaks with the new one as the curve of it means the pipe sits at an angle...now to make life easier and not have to work out how to...
  18. P

    Hopeless toilet flush

    I wonder if anyone is able to help with advice on this. We have fitted a new toilet and 6 litre cistern .. it flushes .. but not as efficiently as it should in my view. It usually needs at least 2 flushes to even shift just toilet paper. It hasn’t been used for anything other than that. It’s a...
  19. johnnybaloney

    Toilet flush valve seals - unusual sizing

    Hello, Recently I received an unusually large water bill which led me to the discovery of leaking flush valves. I have two toilets and it turned out in both the valve seals were bubbling so I set out to replace them. For now I just flipped them over as the other side was smooth on both. The...
  20. J

    Rak Resort Maxi - weak flush

    Hi I've just had installed a rimless Rak Resort Maxi close coupled back to the wall loo. From day 1 the problems have been: 1. It takes a couple of the big flushes to get rid of loo roll 2. The water when flushed doesnt travel all the way to the front of the pan and so leaves that area...
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