Wide tube service valve
dia.1/2" (12.70) ×2
Narrow tube service valve
dia.1/4" (6.35) ×4
Wide tube service valve
dia.3/8" (9.52) ×2
4-7/16
5-29/32
2-1/32 4-1/2
2-15/16
2-3/4 2-3/4
35-1/32(890)
23/32
1-13/16
35-7/16(900)
23-15/16 5-11/32
15/32
12-19/32(320)
13-19/32
14-17/32
11-17/32

ID:23/32

2-ID:15/16
1-3/8
2-15/16
2-1/16
2-13/32

Outdoor Unit CU-4KS31NBU

Unit: inch(mm)

(852-0-0010-20600-0)

2-7/8 2-3/4 2-3/4
23