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IAPMO TS 08-2009
Backflow preventers and relief valves
This Standard covers the physical requirements and tests for toxicity, durability, properdesign, together with method of marking and identification.Backflow preventers and relief valves, covered by this Standard, are intended for use inrecreational vehicles when installed in accordance with all applicable code requirementsand designed to be connected to a water distribution system which has a connection foran outside source of water supply.
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International Association of Plumbing and Mechanical Officials [iapmo]
International Association of Plumbing and Mechanical Officials [iapmo]