IRVINE, Calif. — Navien has started shipping the new NHW-A non-condensing tankless water heater. The NHW-A is available in two configurations: NHW-AI for interior installations and NHW-AE for exterior ...

This week's gallery spotlights a commercial integrated sink system for touchless handwashing, a wafer check valve with a compact and lightweight design, an indirect-fired water heater with a dedicated ...