Lennox 51W91 Pressure Switch
Lennox 51W91 -.95"WC SPST dual 1/4" barb connection Pressure Switch
51W91 is the direct replacement for 56M0501
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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.