Whether you have a recreational vehicle or modern home, the hot water is also an essential on-demand. So, you may want to consider a tankless water heater. What you have to do if one day, your model is broken. At that time, you need to learn how to replace the RV water heater with tankless. I will show you my detailed instruction below
How to replace RV water heater with tankless?

It’s simpler than what you think. You need to be patient and follow step by step. The outcome will satisfy you. However, you have to keep in mind the followings cautions to protect yourself away from any danger
Cautions
Before performing, there are some notes you should remember:
- You had better invest in the union connector sets for your water supply because it employs bypass capacity. This is a way to simplify your maintenance process in the future.
- Your safety is one of the top priorities so you need to turn off the bigger diameter supply of the gas, high voltage power supply, and the main incoming water inline into a house.
- While disconnecting the heat source from the old water heater for gas or propane, ensure to close the supply valve. You can check by determining whether or not the direction of the handle to the valve sitting and the line open are the same. For electric ones, you unplug your appliance from the wall outlet simply.
- In spite of disconnection, it’s hard to avoid some water residue in the line so you should put a bucket underneath your water bid to deal with any spills.
- After disconnecting and removing your old model, you have to dispose of it according to the laws in your country.
Step-by-step instruction
Take your new tankless water heater out of the box. Don’t forget to place all hardware and instructional material in your reach
Choose a right position for your appliance. The most important feature is that place must provide proper clearances around in accordance to all state as well as local building codes.
Before mounting the tankless heater on the wall, it’s essential and important to read the instruction from the manufacturer in advance to ensure you can support its weight appropriately.
After that, you hook up all the connections of the RV water heater with tankless
