119gal, 300kBTU - GEN 2 OptiTherm Fully modulating, 135 MBH to 300 MBH condensing water heater Lifetime cathodic protection system, NO sacrificial anodes, PVC/CPVC Power Vent or Power Direct vent, 5-yr tank warranty Non-ASME tank. # 55667-2 | B2B Storefront