Panasonic U-26PE1U6 Technical Data & Service Manual page 67

1. Specifications
1-4. Dimensional Data
Indoor Unit : Wall Mounted (Type K1)
Drain and wiring port (3-5/32)
Refrigerant liquid line (3/8") Flare connection
1
Refrigerant gas line (5/8") Flare connection
Drain hose OD 45/64
Dimension : inch
1-59