Tankless water heater series
Navien’s tankless NPE-150S water heater series has an efficiency of 0.97 EF and heating capacity of 18,000 to 120,000 Btuh, producing 5.3 gpm at 45 F temperature rise. It can be used for small residences or to cascade where a bit more domestic hot water is required. The NPE-150S features ½-in. gas pipe capability, 2-in. PVC venting up to 60 ft, dual stainless steel heat exchangers, an integrated and easy-to-use control, field gas convertibility, and cascade capability without an external control.