Plumbing and maintenance

Plumbing in washing machines and dishwashers safely

Appliance connections are a common source of slow leaks because the fittings sit hidden behind the machine for years.

How the system behaves

Standpipes need the correct height and an
air gap; a hose pushed too far down a standpipe can siphon and refill the drum.
Self-cutting valves on old pipework are a
frequent long-term leak source; a proper tee and isolator is more reliable.
shower plumber project, Tewkesbury (Gloucestershire), referenced in our guide to appliance plumbing

Questions we get asked

Can a machine share a waste with a sink?

It can connect to a trap spigot, provided the trap and fall are correct.

Why does my machine smell?

Often residue in the hose or trap, and sometimes a drainage arrangement that lets waste sit in the hose.

Want the awkward part looked at first?

Access, existing pipework and floor build-up are the things that change a plan. Those get checked before anything is promised.