if the inducer motor runs all the time, then either

来源: borisg 于 2018-11-11 17:00:02 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (156 bytes)

you have a faulty pressure limit switch or the inducer motor does not pump enough vacuum.

Maybe the rubber tube is clogged by dirt.

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