Optional NPE-S2 recirculation valve Designed for recirculation of domestic hot water in applications where a dedicated return line is not available. External pump neccessary not included. Part No. PFFW-001, NaviCirc Kit: 30022965A. External recirc pump and check valves not included. Optional Wi-...
Navien’s NCB-H generates enough hot water to run up to 3 showers and a dishwasher at the same time. Expanded DHW capability For increased domestic hot water flow demand, the NCB-H can be cascaded and common vented with up to 15 of our NPE tankless water heaters. ...