Bosch Propane Tankless Water Heater Troubleshooting

This can slow the flow within the tankless water heater decreasing it below activation point which shuts off the burners. Flush the water heater you can connect the garden hose to the tankless water heater drain outlet near the base. Error code a2 problem with the flue gas limiter.

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Bosch Tankless Gas Water Heater Manual

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Problems with water flow.

Bosch propane tankless water heater troubleshooting.

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. Pipe joints should not be sealed with plumber s glue. This is the place for troubleshooting problems with your gas tankless water heater. Error codes are the indicators of the problems inside the water heater.

Warranty labor request form. Open the cold water supply and put a container underneath to check the water. 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. Put the other end of the garden hose near the floor drain or in a larger basket.

Easily identify and troubleshoot your issues with our parts diagrams pdfs. Bosch online technical support 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. Inspect the water supply.

After that flush the sediment from the water heater bottom by opening the drain spigot and ensuring the water flows until it is clear. How to troubleshoot a bosch tankless water heater no hot water. Inspect the plumbing for restrictions. Shut off the cold water supply and disconnect the hot water supply.

Connect the supply line to the blue inlet on the water heater.