This plumbing drawback 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 throughout 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 concern is essential for stopping water injury and sustaining a sanitary dwelling setting. Traditionally, shared drain strains between plumbing fixtures had been extra frequent, rising the probability of this drawback. Whereas trendy plumbing codes usually mandate separate vent stacks and drain strains, the difficulty can nonetheless come up as a consequence of blockages, improper set up, or failing plumbing parts. Addressing this drawback promptly can avert expensive repairs and well being hazards related to standing wastewater.