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๐ฟ Seal the deal with McAlpine โ where innovation meets leak-proof peace of mind!
The McAlpine WM11 is a 75mm water seal adjustable inlet tubular swivel 'P' trap designed for reliable drainage and odour prevention. Featuring a 1.5" multifit compression outlet compatible with plastic, copper, and lead pipes, itโs ideal for washing machine and dishwasher waste discharge. Made from durable polypropylene, it offers long-lasting performance and is available in an anti-syphon silentrap variant for enhanced backflow protection.










| Asin | B00CM87EHU |
| Best Sellers Rank | 255,421 in DIY & Tools (See Top 100 in DIY & Tools) 621 in Traps |
| Brand | Mcalpine |
| Connector Type | Compression |
| Customer Reviews | 4.5 4.5 out of 5 stars (598) 4.5 out of 5 stars |
| Exterior Finish | Plastic |
| Global Trade Identification Number | 05036484006578 |
| Included Components | 1 x trap; fittings; |
| Inlet Connection Size | 6 Centimeters |
| Inlet Connection Type | Flange |
| Item Dimensions | 6.4 x 26.6 x 26.6 centimetres |
| Item Type Name | McAlpine WM11 Sink Trap with Twin 135 degree Nozzles |
| Item Weight | 0.28 Kilograms |
| Manufacturer | Mcalpine |
| Material | Polypropylene (PP) |
| Model Number | WM11 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Number Of Pieces | 1 |
| Number Of Ports | 2 |
| Outlet Connection Size | 1.5 Inches |
| Outlet Connection Type | Compression |
| Part Number | WM11 |
| Size | 75mm |
| Thread Size | 1.5 inch |
| Unit Count | 1.0 count |
| Valve Type | check valve |
User
Perfect for dishwasher & washing machine
Moved into a new house which only had pipework under the sink for a single appliance waste pipe. Replaced with this as we have both a dishwasher and a washing machine.Very easy to install, universal fittings so everything fits perfectly. No leaks and no problems. Perfect for the job!
User
Easy to fit and no leaks
We wanted to plumb in our new dishwasher and need an extra water outlet on our sink trap. Decided instead of trying to add pieces to the existing piping to order this. So easy to fit took minutes and replaced the other pipping as why not use all the new fittings. No leaks and good quality fittings, very pleased.
User
Saved me from disaster!
Fantastic product ready assembled, absolutely brilliant and a perfect fit under my kitchen sink! With all rubber washers needed, this is a sturdy and well made product. Can be re configured to your needs and adjoined to others. Highly recommend
User
It does the job
All parts clean no snags on the screw thread's great product
User
Always buy McAlpine plumbing stuff when possible
I needed this to replace the old original twin/dual kitchen sink drainer pipework. I changed the twin drainer sink to a single drainer years ago but kept the drain pipework which was so complicated and filled the cupboard under the sink. Finally got around to replacing it with this. With little effort and a bit of straight 40mm pipe it fits a treat. Good seals and no leaks (so far) and I have my cupboard back. The two side entry nozzles are for the dishwasher drain and my reverse osmosis drain pipe and are perfect. Blanking seals are supplied if these drain nozzles aren't required. McAlpipe stuff always works and I'd recommend.
User
Easy to install sink trap
This item was a little more expensive than others I had been looking at, but arrived on time & is of a very good quality. It's easy enough to install & does the job. The pipe that attaches the u-bend to the sink is also adjustable to afew different heights / lengths. There's also a blue bung included for if you only need to use x1 of the washer / dishwasher outlets.
User
Nice and tidy pipe with good adjustability
Nice fitments, good value easy to fit with quality feeling seals.
User
This is the double nozzel trap to buy
I bought and had to remove a B&Q branded trap. The B&Q is rubbish, leaked, far less quality and didn't fit the thread of the sink outlet. The McAlpine brand is better quality, fits pefectly, and feels more durable. If you are looking at double outlet traps and considering cheaper brands, do not buy it, look no further than this one.
User
Kitchen waste kit
Very good quality and fits very easyConnections also very good with seals and washersOverall recommend
Trustpilot
3 days ago
1 week ago