Turn off the power source for your tankless water heater.
Cleaning on demand hot water heater.
Remove the purge port valve caps slowly from.
This can be done by shutting off the main gas or turning.
Plug in the pump and turn it on if it has a separate on off switch.
Cleaning your tankless water heater pour the white vinegar into first bucket the one with the hose attached to the inlet side of the pump.
Close and turn off the 3 water valves attached to your tankless water heater.
This procedure will prevent cold water.
Clr cleaner is a great way to clean your water heater because it eats away at the minerals at the bottom of the heater without scrubbing.
Open the hot and cold isolation valves on the water heater and turn on the pump in the 5 gallon bucket to circulate the vinegar through the heater.
One can easily fit it to the tankless isolation valves.
How to clean a hot water heater with vinegar if you believe that your water heater has gotten severely backed up with sediment you may need to use vinegar to cut through this buildup.
Let the pump circulate for 45 minutes then turn.
Cleaning your hot water heater can be tough but clr cleaner can make it easier.
As far as how to clean a hot water heater with vinegar the process only requires a few steps in excess of what we mentioned above.
The pump will pick up vinegar and pump it into your tankless water heater.