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6
Water Coil Connection Sizes
GPM
Sweat Conn.
Size (In.)
MPT Conn.
Size (In.)
1.5 – 2.5 5/8 1/2
2.6 – 7 7/8 1/2
7.1 – 14 1 1/8 1
14.1 – 24 1 3/8 1 1/4
24.1 – 40 1 5/8 1 1/2
40.1 – 80 2 1/8 2
80.1 – 150 2 5/8 2 1/2
150.1 – 250 3 1/8 3
Table 6.1
DX Coil Stub Out Connection Sizes
Cabinet Size A B C C+ D
Coil Face Area Designation 1 1 1 2 3 4 1 2
Coil Selection Stub Out Size (Suction - Liquid)
Standard
7/8” – 1/2 ” 7/8” – 1/2 ” 1 1/8” – 5/8” 1 1/8” – 5/8” 1 3/8” – 5/8”
Single Circuit
Oversized
1 1/8” – 5/8”
1 1/8” – 5/8”
Standard
7/8” – 1/2 ” 1 1/8” – 5/8” 1 1/8” – 5/8” 1 3/8” – 5/8”
Double Circuit
Oversized
1 1/8” – 5/8” 1 1/8” – 5/8” 1 3/8” – 5/8”
Table 6.2