Can You Believe These Water Heaters Lasted This Long? (replacing 18 year old Rinnai tankless)

Installing a twin Navien NPE240A2 LP gas fired tankless water heater system to replace our 18 year ol Rinnai tankless water heaters at the house. I've been involved with Tankless water heaters from 2002 and the tankless videos on this channel while dated have a lot of informaiton that is still usefull today. This will part of a new series on modern tankless water heaters revoloving aroudn the Navien units at my our own house. We'll start here by showing how to set up the cascade system on these 2 units. There have been a lot of advances in the last 18 years on tankelss water heaters and these Navien NPE240A2 units are amoung the most advanced tankless water heaters on the market. Check out our whole series on tankless water heaters and trouble shooting here: https://www.youtube.com/playlist?list=PLYKMXAVLid5WsougckfaIpI9Fh1o7-Mn2 Join our channel to get access to perks: https://www.youtube.com/channel/UCP9qHkWY3nBstQ-0ZHKb1GA/join JOIN the NO SKUNK CREW! Becoming a channel member helps us continue to bring you great content and you'll get special "Members Only" early access to new content as well as special recognition for your extra support for the channel! We'll even do some live chat events moving forward. Join now and THANK YOU for your support either way! Follow us on Facebook and instagram for more content and suggestions: https://www.facebook.com/Scott-Gregg-Outdoors-282452292139118/ IG @scottgregg1966 You can help support this channel with your normal Amazon Shopping! www.amazon.com/shop/scottnra Any of your purchases will help support this channel! Questions and comments are welcome! Follow Scott on Instagram: http://instagram.com/scottgregg1966 Follow Scott on Twitter: https://twitter.com/MScottGregg Equipment used on SGO and where to find it: Amazon: Tactacam 5.0 Bow Package: https://amzn.to/2Quzj64 Tactacam 5.0 WIDE angle: https://amzn.to/2p4AtbM GoPro Hero 4 Silver bundle: http://amzn.to/2dU7pMO Sennheiser MKE 2 elements - Action Mic for the GoPro HERO4 https://amzn.to/2J0qfpt Rode video micro mic: http://amzn.to/2dUGyW9 Vivitar Zoom Mic: http://amzn.to/2e1RWiJ Phantom 3 4K Drone: http://amzn.to/2cYUPzP Ebay: GoPro Hero 4 silver bundle: https://goo.gl/epSkfr Vivitar Zoom Mic: https://goo.gl/XOli3p S how Rode Video Micro: https://goo.gl/wrHYmY Phantom 3 4K Drone: https://goo.gl/VCFsXW Note: You’ll want the bundle on a GoPro! The different mounts are what makes it so unique. TheTactacam now also works with GoPro style mounts! For business inquiries go to the “About” part of my channel here to contact me: https://www.youtube.com/user/scottnra/about?view_as=subscriber Affiliate links are used in this description. Back To The Wood by Audionautix is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/) Artist: http://audionautix.com/