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Lennox 51W91 Pressure Switch

Lennox 51W91 Pressure Switch

-.95"wc SPST dual 1/4" barb connection Pressure Switch

51W91 is the direct replacement for 56M0501

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QUESTIONS & ANSWERS

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  • What is the pressure rating for this switch? I need 1.60” WC PF

    Hi, this is not rated at 1.60" WC. Please reply with your unit model number then we will check for the correct part number of the pressure switch. Thank you.

  • How do I know that this switch fit into my furnace? the model in my Furnace is Lennox Model: C33-44C-2S

    This is a coil assy that would go on a unit.  We would need the model of that unit to ID the pressure switch.