Condensing tankless water heaters

The NPE-2 high efficiency condensing tankless water heaters from Navien are available in four standard (NPE-S2) models and three advanced (NPE-A2) models up to 199,900 BTU/H. Features include a turndown ratio up to 15:1, EZNav advanced multi-line control, two-in. PVC venting length up to 75 ft., a cascade capability up to 32 units and common venting capability up to 12 units.