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ASSE Standard 1093-2019/WSC PAS-97(2019)

Performance Requirements for Pitless Adapters, Pitless Units, and Well Caps

ASSE 1093-2019 / WSC PAS-97 covers three interrelated devices for creating connections to wells and aquifers: pitless units, pitless adapters, and well caps. The purpose of these devices is to allow for the flow and environmental protection of underground water into a premises’ cold-water supply. This standard was originally developed by the Water Systems Council (WSC) and was co-developed with ASSE International (ASSE) for the 2019 revision.

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American Society of Sanitary Engineering [ASSE-Sanitary]


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