Most recent
IAPMO TS 30-97e1
Termination valves for use in recreational vehicles
This Standard covers physical requirements and tests for materials, components, proper design, operation and other significant properties of construction and finish, and provisions for proper installation of the finished product, together with methods of marking and identification. The termination valves, covered by this Standard, are those units which are attached to body waste or liquid waste holding tanks, and intended for use in recreational vehicles when installed in accordance with applicable code requirements.
International Association of Plumbing and Mechanical Officials [iapmo]