Best trap for washing machine?
Have some funky smells going to my washing machine from the drain what trap is best for washing machines?
Advice from 3 local tradespeople
get this - https://www.bes.co.uk/anti-syphon-washing-machine-trap-w-upstand-11-2-40mm-15519/
Anti-siphon
Hockey stick
Buy a kitchen sink trap which is 40mm
