Lennox G61MPV "low Pressure Switch Failed Open" - HVAC - DIY Chatroom Home Improvement Forum
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Old 01-05-2013, 11:36 AM   #1
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Lennox G61MPV "low pressure switch failed open"


How do I fix this?

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Old 01-05-2013, 12:28 PM   #2
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Lennox G61MPV "low pressure switch failed open"


got any more details ?

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Old 01-05-2013, 12:46 PM   #3
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Lennox G61MPV "low pressure switch failed open"


Something is blocking out take of draft motor or air ports for switch
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Old 01-05-2013, 12:47 PM   #4
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Lennox G61MPV "low pressure switch failed open"


Or intake not getting enough air flow
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