Specifications Features Brochure Description Reviews CS/CU-Z71XKR Panasonic 7.1kW Z Series Reverse Cycle Split System Air Conditioner R32 | Advance Air Purification System | Nanoe™X
I use to have a pdf for easy reference that I cannot find right now but; E9JKR = 1/4-3/8 inch. E12JKR-E21JKR = 1/4-1/2 inch. E24JKR-E28JKR = 1/5-5/8 inch. W7DKR-W9DKR = 1/4-3/8 inch. W12EKR-W18DKR = 1/4-1/2 inch. W24EKR = 1/4-5/8 inch. All ducted up to 14kW = 3/8-5/8 inch.