Leaking Heat Exchanger Replacement of a Noritz NR98OD Tankless Water Heater

How to replace a leaking heat exchanger on a Noritz NR98OD outdoor tankless water heater. This 4.5 years old tankless water heater had developed a heat exchanger leak. Luckily most tankless water heater manufacturers warranty their heat exchangers for 10 to 15 years. In this case, Nortiz has provided us with a new replacement heat exchanger, blower fan, and a gas manifold. If you wondered what it will take to do this work yourself, please watch this video. Please, support my channel by giving me a like, subscribing to the channel, and hitting the notification bell. Tools needed for this procedure: 1. Screw Driver with Magnetizer - https://amzn.to/3JSdzgi 2. My favorite pliers sets: Single Pliers Medium Size - https://amzn.to/3sZfwBc Two Pliers Set, Medium & Large - https://amzn.to/3znkMQC Three Pliers Set, Small, Medium & Large - https://amzn.to/3pMuyII