Appliances

Wye / Siamese calculator

Calculate branch pressures and identify which branch controls pump discharge pressure for appliance-based layouts.

Wye branch pressure

Enter main line loss/appliance loss, then two branch layouts. The highest branch controls.

Main line FL PSIAppliance loss PSIBranch A NPBranch A FLBranch B NPBranch B FLElevation PSI

Training note: These web tools are for education, practice, and estimating. Use your department SOPs, instructor direction, and manufacturer guidance for live operations.