Navien’s new NPN (premium non-condensing) series of tankless water heaters is offered in the NPN-U (universal) and NPN-E (exterior) options, both of which will be available in 160,000 Btu/h, and 199,900 Btu/h models for either natural gas or liquid propane.
The new MagnaTherm HTD series of condensing boilers and volume water heaters boasts real-time O2 trim compensation that maintains ideal air-to-fuel ratios, full 20:1 turndown on all sizes to match varying load profiles and the Laars Linc icon-driven control system.