Historical
IAPMO IGC 091-2009
Electrical or high-density magnetic anti-scale or water conditioning
This standard covers electrical anti-scale or water conditioning appliances in nominal pipe sizes from 1/2 in. (12.7 mm) through 3 in. (76.2 mm) and configurations include slip fittings, male nominal pipe threads (MNPT) for plastic and metal fittings and female nominal pipe threads (FNPT) for metal fittings only and high-density magnetic anti-scale or water conditioning appliances. In nominal pipe sizes from 3 in. (76.2 mm) to 16 in. (406.4 mm), flanged connections shall be used with the anode and cathode isolated from each other. This standard covers definitions, general requirements, in addition to general description of materials used and the method of marking and identification. It is not the intent of this standard to rate or verify the effectiveness of these products in reducing or eliminating scale in water piping systems. The effectiveness of these fittings or appliances is beyond the scope of this standard.
Content Provider
International Association of Plumbing and Mechanical Officials [iapmo]
