have a technician friend on a job site saying that hes working on a well mclain boiler & the module is giving flame failure led , he replaces the polite assembly which include spark, flame sensor & polite, but hes still getting the same issue ,can this be most likely, the module faulty if he repalced the polite assembly already, I will attach the boiler info & module model ,any information would help.so I can help him. well mclain module # 1135-605
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