Historical
IAPMO IGC 230-2006
Manually operated water softener by-pass valves
This standard applies to manually operated water softener by-pass valves and covers general requirements, strength and performance tests for such products, in addition to method of markings and identification. Water softener by-pass valve. Valve used by water treatment devices that allows water to be directed through the water treatment device or internally through the valve. This valve allows water to be distributed throughout a residence even if the drinking water device is being serviced.
International Association of Plumbing and Mechanical Officials [iapmo]
