(Residential)Model CSA NSF (Standard 5)Low Lead (<0.25%)SCAQMD 1146.2 (NOx, <20ppm)AHRI Number Energy Star Energy Factor (EF)Uniform Energy Factor (UEF)Max GPM (67°F Rise)Natural Gas (Therms/Year)Propane (Gallons/Year)Estimated Operating Cost**NPE-180A-NG Yes Yes Yes ...
can be cascaded and common vented with up to 15 of our NPE tankless water heaters. NCB-H Models NCB-190/060H Max HTG Input: 60,000 BTU/h Max DHW Input: 160,000 BTU/h Indoor wall-hung Residential View model NCB-190/060H NCB-190/080H ...