It is potable water and I can use a 2-inch RPZ, but the ones that are approved by the DOH in that size are a configuration that would require modifications to the existing piping. This RPZ is being installed on an existing line and space is limited. The 3-inch unit would fit better and require...
This is probably moronic, but...I need to install an RPZ on a 2-inch water line, but the units that are approved, can be installed in the vertical position and will FIT w/o major repiping are all 3-inch or larger.
The pressure to this line is 90-100 psi and the demand is not high since it only...
