Trane MOT12413 Motor 319847 401 it connects via 1 4 inch barbed it connects via 1 4 inch barbed nipples typically used with 3 8 inch OD polyethylene tubing the 60M13 is engineered for seamless integration into Lennox commercial rooftop units (including KG KC KH 024 300 series) to prevent drain pan overflow and subsequent equipment damage Always verify the lead length and terminal type to ensure compatibility with your specific Trane air handler or condenser cabinet It is not designed for use with variable frequency drives (VFDs) unless specifically stated by the equipment manufacturer for that specific HVAC part application