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traps

TNF receptor associated periodic syndrome (TRAPS) is a periodic fever syndrome associated with mutations in a receptor for the molecule tumor necrosis factor (TNF) that is inheritable in an autosomal dominant manner. Individuals with TRAPS have episodic symptoms such as recurrent high fevers, rash, abdominal pain, joint/muscle aches and puffy eyes.

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  1. C

    Help With Traps

    Hi. I was wondering if someone can help explain the whole 'water-seal' part of Traps. I just dont get it at all. Example, traps fitted on flat bottomed appliances should have a minimum water seal of 38mm. Any help would be appreciated.
  2. M

    shower trap

    I am going to be buying a shower tray soon and put in a new shower. Should i buy a tray which accomodates a big shower trap or should i go for athe normal design. i ask this because our shower will get clogged up with the wifes hair and so i want to use a shower trap i can service from the...
  3. C

    Smelly house

    Hi all , am after a bit of advice from anyone out there, have got a customer whose house has a sewer smell, all the time. Its an internal soil stack with a internal vent with one of those one way valve things (a.v.v) do they fail? x3 wcs and various sinks ,basins etc. Could the water from...
  4. D

    flood level of new bathroom?

    Hi Intend to install an AAV for soil vent pipe in new bathroom. This must be above flood level, so above sink overflow. What's the point in that if the shower outlet is at floor level? Surely if the system gets blocked somewhere, then the waste water from the sink or toilet will come out the...
  5. M

    Fitting magna clean on flow

    I understand these cleaners need to be fitted on the return. Does it matter if my magna clean is on the flow ? I have just noticed this afternoon where it is positioned. the boiler was moved a month ago you see. Should it be changed urgently or is it not that big a deal
  6. K

    sewage smells in bedrooms - help

    I live in a 3 storey victorian terrace and we've had a smelly sewage smell in both the bedrooms on the middle floor for the past 2 or so months that comes and goes but tends to be worse in the evenings. We've also recently had a blocked toilet on the ground floor which was caused by a block...
  7. M

    Bath Trap problem

    Having just taken out an old bath and installed a new one I find that the old trap is about 15mm too short to fit the new bath. I tried a new trap (hepworths shallow bath trap) thats even shorter. I cant easily lengthen the pipe going through the wall so I would like a longer trap or even a...
  8. M

    Problems with kitchen sink trap!

    I'm having a lot of problems installing a trap and connecting up Borg wastes on my sink. As you can see from the photo I've posted I need to somehow connect the sink bowl waste to the half bowl waste and for this to connect to the wastepipe. I purchased a one and a half bowl sink waste trap...
  9. W

    ravenheat 85csi combi/condenser

    called out today to a r/h 85csi combi /condenser no/heat/h/w boiler will fire up for about 2/3 secs cuts out.could,nt suss it. back in morning,got no mi ,had a thought maybe con trap blocked? if so would both sidesof trap be full of water,did have a look outside con pipe ok any ideas,cheers chaps
  10. S

    Advice needed on shower trap waste!?

    Im currently fitting new bathroom suit and im a little concernd about the shower waste. Im installing a walk round shower cubicle. Its basically a 900 quadrant with an extra bit added you walk round to go in. It only has a 50mm waste hole and im fitting a 8" shower head from the cieling. My...
  11. A

    Main 15 HE boiler leak

    My main boiler has developed a drip leak from the area of the condensate trap. It is not excessive, but so far the plumbing engineer has not managed to resolve the problem. The drip starts within 10 minutes of the boiler starting and usually stops after approx. 2 hours. Initially the drain cock...
  12. L

    drain testing

    Does anyone know,how long you need to test on drain(when manhole bunged,and full of water up to traps and top of wc with no drop)5 mins,10 mins,20 mins?Cant find anywhere in building regs!Cheers
  13. S

    Basic problems from an inexperienced new plumber - advice needed

    Hi guys. Just fitted a bathroom (refit old one unfortunately) and I'm having a copuple of problems. The bath is very close to floor with steel legs & no adjustment possible. It is an internal soil so I think I need a minimum of 50mm trap. The problem is that when I use a 50mm trap the seal...
  14. M

    Bath drainage - passing through flooboards?

    Folks - could someone check my proposed layout. In particular I'm scratching my head regarding the bath drain. It's got to pass through the floorboards at some point (see attached jpg) - do I put the change of direction near the trap (as shown) or near the soil pipe using a 50mm vertical short...
  15. G

    Customer expected me to guarantee parts!

    I went out to a job 5 weeks ago. The lady had tried to install a dishwasher herself and managed to flood her kitchen. The trap was dodgy and was leaking really badly. I changed the trap for her, did a test and it was fine. We checked the dishwasher, washing machine and filled the sink and...
  16. T

    Baxi 100 HE condensate trap causing flame failure

    How to test a Baxi condensate trap. This condensate trap is used in a number of Potterton boilers as well so I understand and it can be the cause of a flame failure lockout. Baxi will tell you to disconnect the white wire by the fan and if the boiler runs it's a damp trap.... Well it would...
  17. B

    wall hung basin chrome wate

    Hi just wondering how others install the chrome brass wate that comes with the german basins. i have been using a mc alpine coupler in the wall but i dont like doing this incase it moves on the second fix -fitting the basin.i fitted one a year ago that enabled plastic to be fitted from wall 32mm...
  18. C

    Dishwasher not cleaning properly

    Dishwasher does not clean dishes properly. Have cleaned filter, jets etc.., checked powder (use tablets), water is hot but still leaves scum on mugs etc.. Any ideas?
  19. S

    Day from Hell

    Went to fix the waste on a 1 & 1/2 bowl kitchen sink. Water filling main sink when 1/2 used or WM empties. Assumed problem was due to slow water escape. Both waster go into 1 1/2 P trap with spigot. Fall was poor and out let after P seemed too close to base of main sink. Cut out (solvent)...
  20. M

    Kitchen Sink - Smells From Sink

    From time to time I get a 'drain' smell from my kitchen sink (1 and a half bowl) when the washing machine is running. It seems that when the washing machine is discharging vacuum occurs and sucks all the water out of the kitchen trap. When we run water into the sink to reseal the trap the smell...
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