NTI FTVN150C-S2 Series II combi boiler, 150 MBH input (CH & DHW), NG, 95% AFUE, 10:1 turndown, 7.9 GPM DHW @ 35°F rise, built-in ECM pump, NTI Net WiFi, 2"/3" PVC/CPVC/PP vent, 5-yr parts / limited lifetime HX warranty | Water Heaters Only