User Guide

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Supporting ttings and valves
Sections of pipe with in-line ttings, such as tees, couplings and valves, must be supported per local code requirements.
Note: PEX-a Pipe Support cannot be used to increase hanger spacing of these pipe sections.
Nominal
pipe size
Spacing for bare PEX (Dimension A)
International codes (IPC, IMC)
Uniform codes
(UPC, UMC)
National Plumbing Code of
Canada (NPCC)
½"
32" 32" 32"
¾"
32" 32" 32"
1"
32" 32" 32"
1¼"
32" 48" 32"
1½"
32" 48" 32"
2"
32" 48" 32"
2½"
32" 48" 32"
3"
32" 48" 32"
Table 6-3: Support requirements for ttings
Figure 6-6: Support requirements for ttings
If distance "A/2" is not attainable in Figure 6-7, an additional
support is required as shown in Figure 6-8.
Figure 6-8: Additional support
requirements for ttings at corners
Figure 6-9: Corner support example
Distance G = 16"
Total distance for segment G = 32" (16 + 16)
Distance H = >16"
Total distance for segment H = >32"
Figure 6-7: Support requirements for ttings at corners
A
A
A/2
A/2
Additional support
H
G
H
G