600 MBH, 130 gall ASME, Opti-Therm, Fully modulating, 140 MBH to 600 MBH, up to 99% eff. condensing water heater, BACnet/BMS/Bock Net remote access, PVC/CPVC Power Vent or Power Direct vent, Auto cathodic corrosion protection system, No sacrificial anode rods, 5-yr tank warranty. | B2B Storefront