I don’t know the answer but I suppose that you can pre-empt the problem from occurring by occasionally flushing the system as described on p.15 of the [link|https://www.questargas.com/ForEmployees/qgcOperationsTraining/Water%20Heaters/Rinnai_RL75eRL94eR98LSeR98LSe.pdf|manual], to help prolong the life of the heat exchanger.
Perhaps you could check with your local water supply authority as to the hardness of the water in your area to give you some idea of how often this may be required.
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Maybe check how quickly the scale builds up in a kitchen electric kettle, just to have some idea.
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Maybe check how quickly the scale builds up in a kitchen electric kettle, just to have some idea of the water quality.
Also on p.14 of the manual it describes how to view the fault history so that you can check if an ''00'' code is there or not.
I don’t know the answer but I suppose that you can pre-empt the problem from occurring by occasionally flushing the system as described on p.15 of the [link|https://www.questargas.com/ForEmployees/qgcOperationsTraining/Water%20Heaters/Rinnai_RL75eRL94eR98LSeR98LSe.pdf|manual], to help prolong the life of the heat exchanger.
Perhaps you could check with your local water supply authority as to the hardness of the water in your area to give you some idea of how often this may be required.
+
Maybe check how quickly the scale builds up in a kitchen electric kettle, just to have some idea.
+
Also on p.14 of the manual it describes how to view the fault history so that you can check if an ''00'' code is there or not.
I don’t know the answer but I suppose that you can pre-empt the problem from occurring by occasionally flushing the system as described on p.15 of the [https://www.questargas.com/ForEmployees/qgcOperationsTraining/Water%20Heaters/Rinnai_RL75eRL94eR98LSeR98LSe.pdf|manual], top help prolong the life of the heat exchanger.
+
I don’t know the answer but I suppose that you can pre-empt the problem from occurring by occasionally flushing the system as described on p.15 of the [link|https://www.questargas.com/ForEmployees/qgcOperationsTraining/Water%20Heaters/Rinnai_RL75eRL94eR98LSeR98LSe.pdf|manual], to help prolong the life of the heat exchanger.
Perhaps you could check with your local water supply authority as to the hardness of the water in your area to give you some idea of how often this may be required.
Also on p.14 of the manual it describes how to view the fault history so that you can check if an ''00'' code is there or not.
Hi @jbclements ,
I don’t know the answer but I suppose that you can pre-empt the problem from occurring by occasionally flushing the system as described on p.15 of the [https://www.questargas.com/ForEmployees/qgcOperationsTraining/Water%20Heaters/Rinnai_RL75eRL94eR98LSeR98LSe.pdf|manual], top help prolong the life of the heat exchanger.
Perhaps you could check with your local water supply authority as to the hardness of the water in your area to give you some idea of how often this may be required.
Also on p.14 of the manual it describes how to view the fault history so that you can check if an ''00'' code is there or not.