The navien water heater cannot operate properly without sufficient inlet gas pressure and volume.
Navien tankless water heater piping diagram.
Design pressure follow the piping diagrams illustrated in this.
The navien ncb boilers come from the factory configured for use with natural gas ng.
Recommended pipe size heater count 1 unit 2 units 1 3 units 1 4 to 5 units 1 6 to 8 units 2 9 to 14 units 2 15 to 16 units 3 npe a series tankless water heater.
G h c communication.
Gas domestic cold water condensate.
Is pre drilled at 16 in on center for easy installation on standard based on the installation location.
Service manual installation manual operation manual quick installation manual user manual conversion manualline brochure specs.
See the manifold equipment sched.
Recommended pipe size heater count 1 unit 2 units 1 3 units 1 4 to 5 units 1 6 to 8 units 2 9 to 14 units 2 15 to 16 units 3 npe s series tankless water heater.
Navien npe 240a manuals manuals and user guides for navien npe 240a.
Each tankless water heater shall be installed using code approved isolation valves and unions to allow service to an individual tankless water heater without taking the entire system offline.
A condensate drain pipe must be connected to the 1 2 condensate outlet fitting at.
Heater for future reference gas piping components diagram parts list.
Keep this manual near the navien combination water.
Water piping connections npe 180a 210a 240a condensate drain connection.
We have 12 navien npe 240a manuals available for free pdf download.