Question about Bosch AquaStar Indoor Natural Gas Tankless Water Heater with Vent Hood #125
Need venting requirement
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Posted on Jan 02, 2017
Error codes F1 and F2 do not show among common error codes.
Call Bosch 1-800-642-3111
Before calling service technician, open following links for Bosch troubleshoot resources:
Error codes are considered start-point for troubleshoot.
Multiple error codes can indicate PC board failure.
Posted on Aug 11, 2011
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