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Mend Beretta 20T Boiler Control Error

Beretta Boiler 20T flow control error?

The boiler is connected to weather compensation electronics. This eceltronic report errors A4 (flow control) error and control lights on the boiler itself says that there is missing water, but there is water in the system. How do I reset flow control. How do I reset the electronics.

jlund6
November 2009
BerettaBeretta 20THeating, Home Heating SystemsBoiler Control Error

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