Historical
IAPMO PS 65-2002
Air gap units for water conditioning equipment installation
Airgap units covered by this standard are intended to function while satisfying the Uniform Plumbing Code requirement when manufactured, tested, selected and installed per the manufacturer's instructions into water treatment system drain lines. Airgap units with standard inlet and outlet ports also may be integrated into other larger housings or product sub assemblies wherein they are required to perform the same airgap functions. This shall be acceptable so long as the contained airgap units meet the requirements of this standard.
Content Provider
International Association of Plumbing and Mechanical Officials [iapmo]