Model #155733821 KENMORE Furnace/Heater, Gas

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Question and Answers

Q:

Sears Direct Vent Wall Heater fan/blower continually cycles on then off in ten second increments. What is up?

A:

Thank you for your question. I sorry you are having this problem with the furnace and I can understand your concern. This type of problem will normally be caused by a defective fan switch. However, if the pilot is too large, it could also trigger this type of problem. Unfortunately the fan switch # K13641 is no longer available and if it has failed a universal switch will be required. I would strongly recommend having a technician check this to determine, if the switch has failed and if so, which switch will replace it. The tech will also need to determine, if something else has trigged the switch to close. I'm listing a site you can access, to schedule a tech to come out. Here is a link for the website: Sears Home Services.  I hope this will help you.  

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Scott D -
Sears Technician
November 26, 2013