Question
What tools are needed to diagnose and potentially fix an NTI boiler error 108?
Asked by: USER9556
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Answer (78)
Essential tools include a multimeter for checking voltage and continuity, fine steel wool or an abrasive pad for cleaning the flame sensor, screwdrivers for accessing components, and potentially a gas pressure gauge. A vacuum cleaner can be helpful for removing debris. Always prioritize safety and disconnect power before working on the boiler.