This can be done by shutting off the main gas or turning.
Cleaning on demand water heater.
Turn the cold water off and remove the filter screen again and clean it under running water.
With the water running out of the hoses turn the valve off on both hoses to stop the flow of water and preventing air from getting into the water heater.
Tankless water heaters are rapidly increasing in popularity.
Makes it easy to flush a tankless heater.
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.
Once connected you can run a solution of water and vinegar to clean the heat exchanger of any scale deposits.
Whitlam flow kit flow aide system descaler kit usually contains everything you.
Use the system descaler to get the hose and then attach it to a very hot valve.
You should check to ensure that the no water spills out from your heater.
How to clean a tankless water heater step one.
Bucket pump and 2 hoses.
Rheem rtg20124 flush kit tankless water.
The flush kit connects easily to the tankless service valves.
This procedure will prevent cold water.
Plug in the pump and turn it on if it has a separate on off switch.
Unscrew the hose from the cold water blue side only.
Ecosmart tankless water heater flushing kit.
Top 4 best tankless water heater cleaning kit in 2020.
Close and turn off the 3 water valves attached to your tankless water heater.
Things needed screwdriver non contact electrical tester bucket 5 gallon pond pump or small sump pump 2 sections of garden hose with connectors 6 foot long adjustable wrench 5 gallons of white vinegar.
Next open the lever that controls the cold water inflow and allow about 4 5 gallons of water to flow through the tankless water heater and out the hot water hose into the bucket.
One is for cold water into the system and is usually blue one is for hot.
If the tankless water heater is gas then shut off the gas supply.
Remove the purge port valve caps slowly from.
Whitlam flow kit flow aide system descaler kit.
The pump will pick up vinegar and pump it into your tankless water heater.
Regular use helps maintain a healthy tankless water heater.
Turn the water supply on slowly again to about 1 4 way open.
Tankless water heaters have a lot of benefits that can make your life easier.
Carefully remove a hose threads from a second hot and the cold ports of water.
Reinstall the filter screen.
Shut off the power supply.
To maximize those.
Shut off the three water valves.
Leave the hot water hose attached.