Before: Original Cast Iron Sectional (2) boilers 4,200 MBH each, 2,000-gallon indirect water heater and standard dedicated single building pumps.

After: (5) Raypak H7-850 Xfyre condensing boilers, and (2) Xfyre WH-700 condensing water heaters and 250 gallon storage tank. And new high efficiency redundant building pumps.