IAPMO TS 08-2009 (R2022) Backflow Preventers and Relief Valves

Scope : This Standard covers the physical requirements and tests for toxicity, durability, proper design, together with method of marking and identification. Backflow preventers and relief valves, covered by this Standard, are intended for use in recreational vehicles when installed in accordance with all applicable code requirements and designed to be connected to a water distribution system which has a connection for an outside source of water supply.