![75 gallon upgraded to Navien NPE-240A before and after. I love Navien installs. *No PEX was used to prevent any PEXphobic reactions amongst my fellow plumbers. : r/Plumbing 75 gallon upgraded to Navien NPE-240A before and after. I love Navien installs. *No PEX was used to prevent any PEXphobic reactions amongst my fellow plumbers. : r/Plumbing](https://i.redd.it/29aippff1mn61.jpg)
75 gallon upgraded to Navien NPE-240A before and after. I love Navien installs. *No PEX was used to prevent any PEXphobic reactions amongst my fellow plumbers. : r/Plumbing
![Navien NPE-240A2, 11.2 GPM Condensing Tankless Water Heater w/ Recirculation - Procuru.com - Plumbing, Electric & Lighting Wholesale Navien NPE-240A2, 11.2 GPM Condensing Tankless Water Heater w/ Recirculation - Procuru.com - Plumbing, Electric & Lighting Wholesale](https://www.procuru.com/wp-content/uploads/2021/12/npe-240a2-inside.webp)
Navien NPE-240A2, 11.2 GPM Condensing Tankless Water Heater w/ Recirculation - Procuru.com - Plumbing, Electric & Lighting Wholesale
Is my Navien set up correctly/ & circulating too often? | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
![Review: Navien NPE-240A Tankless Water Heater - Plumbing Perspective | News, Product Reviews, Videos, and Resources for today's contractors. Review: Navien NPE-240A Tankless Water Heater - Plumbing Perspective | News, Product Reviews, Videos, and Resources for today's contractors.](https://plumbingperspective.com/wp-content/uploads/sites/3/2016/01/IMG_2512-1.jpg)