75mm Water Seal Tubular Swivel Anti-Syphon (Silent rap) 'P' Trap with Universal Outlet. I'm going to show you some pictures of the trap, to show if he had fitted right. It's anti siphon like the McAlpine. The moulded internal sleeve of the connection, centres and supports the pipe. 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. McAlpine WM11 Sink P Trap & Twin Nozzles - 38mm added to "My Project List". I took the rubber flap out of this and cleaned it … 1 1/4" connection 75mm Water Seal It's 1.5 sink and now doubt if he had fitted correctly. Kitchen sink has been a bit smelly and started to leak from the silentrap part of the trap. I cleaned the trap and waste pipe and tried it out, same thing. Size: 1.25 inch. Here's a picture Manufactured in polypropylene. I guess it's supposed to allow air in but it actually allows water out. 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. Go to My Project List Continue Shopping You are not logged in to save your list permanently. 32mm refers to the size of the OUTLET plastic waste water pipe. Measuring that might lead you to conclude you need a 40mm / 1 /1/2 inch trap YOU DONT. 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. Manufacturers Code: SA10V 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. There is an additional connection at the top of the waste which I think is called a silent trap. Google McAlpine AA10 or A10A and that is the trap you should fit. Get a new plumber, if he cant be bothered to fix the leak get rid! 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. 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. It was 1/2 the price of the McAlpine, and there are no leaks. I replaced the sink flange and tail pipe and the P-Trap … Having looked further, it may be an antivac trap. Suffice it to say, I had to replace the entire assembly. Looked at screwfix website for anti-vact trap, but they don't have Macalphine version. 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. Checked the pipe on the other side as there's a rinser, it was clogged so u cleaned that up too, still leaks. I just hope that the Wickes trap lasts as long at the old McAlpine that originally came off the basin. They are pretty standard traps from a decent plumbing stockist if its the trap itself. Universal Compression Outlet suits all plastic, copper and lead pipe. Any ideas why it's started to do this and how to fix it please? The configuration of the discharge pipe work will also have some effect. Conforms to BS EN 274-1:2002. McAlpine A10V Anti-Syphon Bottle Trap. Anti-Syphon Valve neutralises negative symphonic pressure and eliminates gurgling. My bathroom sink is leaking through the little thingy at the top of the trap. As with most projects, more pieces needs replacing. All traps meet the minimum requirements of BS EN 274-2:2002. The multifit and friction washers ensure a secure seal is made between pipe and the wall of the fitting. Leaking sewer drains can also create sunken areas in the yard as the additional fluids cause the dirt around them to compact. I'm going to take the the McAlpine back for the third time and try and get my money back.