When putting the waste from a washing machine in to a standpipe what is the best way of clipping it so it doesn't come out and also so it doesn't go too far in and sit in the water of the trap. As this can lead to it back syphoning of the trap?
Washing machine stand pipe
- Thread starter XanderHarris
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Normally they don't need fastening, the U shape and their weight should keep them in place. The height of the stand pipe, combined with the U pipe before smaller and thus allowing air in - should ensure there is no back syphoning.
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You can fit a drain hose support and fix that to the wall if you are concerned. It will also ensure the length into the standpipe is fixed. https://www.amazon.co.uk/Universal-Outlet-Washine-Machines-Dishwashers/dp/B07WKFYZ8W/
Thanks so the possibility of the washing machine waste hose end being submerged in the trap is not a problem?
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Hose should be clipped into the Hook to hold it in an inverted 'U' shapes, which will keep it in position. Only needs a couple of inches of hose past the end of the hook, never yet known one to come out thats been pushed home adequately. Provided the standpipe hasn't been cut down too short, then there will be plenty of distance between the end of the hose and the trap.
Thanks I went to a job were someone has put the washing machine waste in to the pipe run with just a tee and an appliance connector. No trap. However no noticeable smells. Can washing machines have non return valves on the machine to stop this?
Submerged (in the water) in the trap is a problem. There needs to be a reasonable air gap to prevent the possibility of syphoning.
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Not quite sure what you are asking here? Plumbing in a w/m waste properly is one of the simpler plumbing jobs (usually). Just fit a standpipe and trap if you have the space.
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