Bosch Propane Tankless Water Heater Troubleshooting

Open the cold water supply and put a container underneath to check the water.

Bosch propane tankless water heater troubleshooting.

How to troubleshoot a bosch tankless water heater no hot water. Pipe joints should not be sealed with plumber s glue. This can slow the flow within the tankless water heater decreasing it below activation point which shuts off the burners. Shut off the cold water supply and disconnect the hot water supply.

Put the other end of the garden hose near the floor drain or in a larger basket. Inspect the water supply. In the event of any temperature instability with the use of a temperature balance shower valve refer to shower valve manufacturer s instructions for internal adjustment setting. Inspect the plumbing for restrictions.

Problems with water flow. Bosch online technical support form. Easily identify and troubleshoot your issues with our parts diagrams pdfs. Connect the supply line to the blue inlet on the water heater.

When the error code appears on the bosch heater s lcd display the reset button sometimes leads to an error removal but if it doesn t work the instructions below might help troubleshoot the problem. Warranty labor request form. Check that the water pressure of the unit is above 30 psi if it s not you can do the following test to check the flow rate. Flush the water heater you can connect the garden hose to the tankless water heater drain outlet near the base.

After that flush the sediment from the water heater bottom by opening the drain spigot and ensuring the water flows until it is clear.