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The Lennox 60M13 is a genuine OEM vertical float level switch rated at 150 PSIG and 50 VA with a single-pole single-throw (SPST) configuration, constructed from durable Polysulfone and Buna-N materials and compatible with 120–240 VAC systems. This switch monitors condensate or fluid levels and triggers a shutoff signal when the float rises to a predetermined level, preventing overflow and protecting your Lennox equipment from water damage. Symptoms of a faulty float switch include failure to shut down during high condensate conditions, nuisance tripping, or water overflow from the drain pan.