This plumbing downside happens when wastewater from a garments washer flows into the bath as an alternative of draining correctly. This sometimes manifests as grey or soiled water rising within the tub through the washer’s drain cycle. An instance is a house owner beginning a load of laundry solely to seek out bathwater accumulating concurrently.
Understanding this subject is essential for stopping water harm and sustaining a sanitary house surroundings. Traditionally, shared drain strains between plumbing fixtures had been extra widespread, rising the probability of this downside. Whereas fashionable plumbing codes typically mandate separate vent stacks and drain strains, the problem can nonetheless come up as a consequence of blockages, improper set up, or failing plumbing parts. Addressing this downside promptly can avert pricey repairs and well being hazards related to standing wastewater.
