Installing Bosch Greentherm T 9800 SE 199 NG tankless water heater from scratch, with duravent polypro concentric vent kit, new GFCI to break box, duravent roof flashing, duravent firestop, black iron gas pipes, copper water lines soldering, condensate drain with Bosch neutralizer, removal of old water heater and other crucial steps.

I purchased the below per my house sqft requirements and needs:

Tankless water heater: https://www.prowaterheatersupply.com/...

Duravent: https://www.ecomfort.com/DuraVent-2PP...

Gas leak detector: https://www.amazon.com/gp/product/B00...

Manometer: https://www.amazon.com/gp/product/B00...

#tanklesswaterheater #tanklesswaterheaterinstall #diy

0:00 Intro
00:05 Mounting Preparation
00:55 Mounting the Bosch Greentherm T 9800 SE 199 NG
01:10 Installing Pressure Relief Vavle
01:29 Vent Preparation
01:48 Troubleshooting a Joist Problem
03:12 Installing Duravent PolyPro 2" - Concentric Vent Kit
05:54 Installing 20Amp GFCI Autlet to Main Breaker
07:54 Removing the Old Water Heater
09:11 Connecting Gas Pipe
10:03 Connecting Water Lines
11:37 Starting the Unit / Measuring Gas Pressure with Manometer
12:07 Condensate Drain with Neutralizer Assembly
13:33 Cost and Time Breakdown