Grey Water
Tank holding waste water from sinks/shower (NOT toilet).
Official source: Thetford — sanitation product reference →
Keeping the two waste streams separate is what makes disposal practical: grey water is accepted at far more points than chemical waste, so the split determines how often a stop is forced.
What may be discharged, and where, is set by local rules rather than by the tank manufacturer, and is not established by the reference cited on this page.
Sources 1 source on record · Tracked since 2026-07-29
Sources
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