Anti-Syphon Valve neutralises negative symphonic pressure and eliminates gurgling. It was 1/2 the price of the McAlpine, and there are no leaks. Size: 1.25 inch. Any ideas why it's started to do this and how to fix it please? I cleaned the trap and waste pipe and tried it out, same thing. Universal Compression Outlet suits all plastic, copper and lead pipe. Here's a picture 1 1/4" connection 75mm Water Seal As with most projects, more pieces needs replacing. However, McAlpine 50mm water seal shower traps have flow rates varying from 20 to 50 litres per minute with a 15mm head of water over the waste outlet and when tested under controlled conditions. Having looked further, it may be an antivac trap. The multifit and friction washers ensure a secure seal is made between pipe and the wall of the fitting. Google McAlpine AA10 or A10A and that is the trap you should fit. All traps meet the minimum requirements of BS EN 274-2:2002. Leaking sewer drains can also create sunken areas in the yard as the additional fluids cause the dirt around them to compact. Whether caused by degrading materials or invasive tree roots, this silent damage to the exterior portion of your plumbing system will need to be nipped in the bud. Multifit connections suit all plastic waste pipes to BS EN 1451-1-2000 and BS EN 1329-1:2000, copper pipe (metric or imperial) and lead pipe. Kitchen sink has been a bit smelly and started to leak from the silentrap part of the trap. There is an additional connection at the top of the waste which I think is called a silent trap. Checked the pipe on the other side as there's a rinser, it was clogged so u cleaned that up too, still leaks. My bathroom sink is leaking through the little thingy at the top of the trap. I guess it's supposed to allow air in but it actually allows water out. Manufactured in polypropylene. Go to My Project List Continue Shopping You are not logged in to save your list permanently. I just hope that the Wickes trap lasts as long at the old McAlpine that originally came off the basin. Conforms to BS EN 274-1:2002. The moulded internal sleeve of the connection, centres and supports the pipe. 75mm Water Seal Tubular Swivel Anti-Syphon (Silent rap) 'P' Trap with Universal Outlet. Manufacturers Code: SA10V Measuring that might lead you to conclude you need a 40mm / 1 /1/2 inch trap YOU DONT. But after dealing with a clog the corroded bottom of the P-Trap (which was made of chrome plated metal) broke and left a 1/2 inch long hole in it. Get a new plumber, if he cant be bothered to fix the leak get rid! The McAlpine 1 1/4 inch Resealing Bottle Trap is an alternative to an anti-syphon trap (otherwise known as silent trap) and may be used in similar circumstances. Easy to measure those in inchs this is a 1 1/4 inch trap used for smaller basins Bear in mind that the basin fitting going into the top of this will be about 42mm outside diameter. Suffice it to say, I had to replace the entire assembly. It's anti siphon like the McAlpine. McAlpine A10V Anti-Syphon Bottle Trap. The configuration of the discharge pipe work will also have some effect. They are pretty standard traps from a decent plumbing stockist if its the trap itself. I replaced the sink flange and tail pipe and the P-Trap … Looked at screwfix website for anti-vact trap, but they don't have Macalphine version. I took the rubber flap out of this and cleaned it … I'm going to show you some pictures of the trap, to show if he had fitted right. McAlpine WM11 Sink P Trap & Twin Nozzles - 38mm added to "My Project List". I have found an image of it (see link below). It's a silent as the McAlpine. I have a leak from the waste of my sink. It's 1.5 sink and now doubt if he had fitted correctly. I'm going to take the the McAlpine back for the third time and try and get my money back. 32mm refers to the size of the OUTLET plastic waste water pipe. Not logged in to save your List permanently, copper and lead pipe Anti-Syphon silent... Top of the McAlpine back for the third time and try and get my money back to,... Kitchen sink has been a bit smelly and started to do this and how to fix the get. If its the trap and waste pipe and the wall of the McAlpine, and there are leaks. Discharge pipe work will also have some effect i think is called a silent trap part of the.... Need a 40mm / 1 /1/2 inch trap you should fit conclude you need 40mm. Copper and lead pipe is called a silent trap the trap you should fit having further... Tail pipe and the wall of the waste of my sink BS EN 274-2:2002 moulded internal of! Mcalpine that originally came off the basin to fix the leak get rid the minimum requirements of BS 274-2:2002. 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