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Caution:
• Do not install the PRIME Pipe Freeze Protection Cable when the ambient temperature is colder than the minimum installation
temperature of 32°F/0°C.
• These instructions must be saved and made available to the owner and transferred to future owners.
• If after reading the following instructions, you still have questions regarding installation or operation of this heating cable, contact
PRIME technical support at 888-445-9955.
Selecting the Proper Heating Cable
Use the following two tables to select the proper heating cable.
Table 1
Pipe Heating Cable Length Needed
Pipe Diameter (inches)
Pipe Length 1/2” 3/4” 1” 1.25” 1.5”
6 1 6 1 6 1 6 1 6 1 6
7 1 6 1 6 1 6 1 6 1 6
8 1 6 1 6 1 6 2 6 2 6
9 2 6 2 6 2 6 2 6 2 6
10 2 6 2 6 2 6 2 6 2 6
11 2 6 2 6 2 6 2 6 2 6
12 1 12 1 12 1 12 1 12 1 12
13 1 12 1 12 1 12 1 12 1 12
14 1 12 1 12 1 12 1 12 + 1 6 1 12 + 1 6
15 1 12 + 1 6 1 12 + 1 6 1 12 + 1 6 1 12 + 1 6 1 12 + 1 6
16 1 12 + 1 6 1 12 + 1 6 1 12 + 1 6 1 12 + 1 6 1 12 + 1 6
17 1 12 + 1 6 1 12 + 1 6 1 12 + 1 6 1 12 + 1 6 1 12 + 1 6
18 1 18 1 18 1 18 1 18 1 18
19 1 18 1 18 1 18 1 18 1 18
20 1 18 1 18 1 18 1 18 + 1 6 1 18 + 1 6
21 1 18 + 1 6 1 18 + 1 6 1 18 + 1 6 1 18 + 1 6 1 18 + 1 6
22 1 18 + 1 6 1 18 + 1 6 1 18 + 1 6 1 18 + 1 6 1 18 + 1 6
23 1 18 + 1 6 1 18 + 1 6 1 18 + 1 6 1 18 + 1 6 1 18 + 1 6
24 1 24 1 24 1 24 1 24 1 24
25 1 24 1 24 1 24 1 24 1 24
26 1 24 1 24 1 24 1 18 + 1 12 1 18 + 1 12
27 1 18 + 1 12 1 18 + 1 12 1 18 + 1 12 1 18 + 1 12 1 18 + 1 12
28 1 18 + 1 12 1 18 + 1 12 1 18 + 1 12 1 18 + 1 12 1 18 + 1 12
29 1 18 + 1 12 1 18 + 1 12 1 18 + 1 12 1 18 + 1 12 1 18 + 1 12
30 1 30 1 30 1 30 1 30 1 30
31 1 30 1 30 1 30 1 30 1 30
32 1 30 1 30 1 30 2 18 2 18