Navien NPE-240S Users Information Manual. Indoor or outdoor wall-hung 199,900 BTUh 11.2GPM ultra condensing LP/natural gas tankless water heater with built-in.. Navien's NPE-240S2 condensing tankless water heater for commercial & residential applications uses high-efficiency technology to provide endless hot water.
Navien NPE-240S2 Specification Sheet. Indoor or outdoor wall-hung 199,900 BTUh 11.2GPM premium condensing LP/natural gas tankless hot water heater with built-in.. Indoor or outdoor wall-hung 199,900 BTUh 11.2GPM ultra condensing LP/natural gas tankless water heater with built-in control panel with diagnostics