USE AND CARE GUIDE
FREEZE PROTECTION HEATING
CABLE
with Built-in Thermostat
Questions, problems, missing parts? Before returning to the store, call Customer Service
1-866-994-4664
Table of Contents
Table of Contents ............................................................ 2
Brief introduction ............................................................ 2
Limited Warranty............................................................. 2
Brief Installation Instructions ......................................... 2
Cable Length Recommendation ......................................... 4
Maintenance .................................................................... 5
BRIEF INTRODUCTION
This heating cable was designed and manufactured only for
the purpose of preventing water pipes from freezing.
Improper or wrong installation, use and/or maintenance of
electrical heating cable will cause fire, electric shock
and/or freezing of pipe.
WARNING: Use on water pipes only and
comply with these important instructions.
Minimum pipe length is 3 ft.
After reading the following instructions, if you still have
questions regarding installation or operation of the heating
cable, please contact your distributor.
Heating cables must be installed in compliance with all
National, State or Provincial and Local Codes. Check with
your local electrical inspector for the specific details.
These instructions must be saved and transfered to the
owner and any future owner. Before starting, be sure you
have selected the correct length heating cable for the pipe to
be protected, see 2. Cable Length Recommendation.
LIMITED WARRANTY
All products sold are warranted against defective workmanship or materials under normal use for two years after date of purchase.
BRIEF INSTALLATION INSTRUCTIONS
Important: Tools and materials
required Materials:
Electrical tape:
1/2-inch fiberglass or equivalent nonflammable pipe insulation with vapor seal
Tools:
Scissors·Tape measure·File·Marking·pencil·Eye
protection Electric Pipe Heating Cable on Metal
Water Pipe
(See “Special Notes for Plastic Pipes” below.)
BRIEF INSTALLATION INSTRUCTIONS (continued)
WARNING: Always wear safety glasses during
installation.
Before you start, please read through the entire instruction
sheet. Make sure you have selected the right cable with the
correct length.
Before applying the heating cable, make sure that the area on
and around the pipe is free and clear of sharp edges and
combustible materials. Remove old heat tapes before
proceeding and use a file to remove any sharp edges.
The lowest installation temperature of this heating cable is -10
℃. Never install the Heating Cable when the cable is lower
than this temperature. If heating cable is stiff (due to cold), first
uncoil it and then plug it into the rated voltage (120V) outlet
until it is warm and pliable before unplugging it and applying it
to the pipe.
Make sure there is a properly grounded electrical receptacle
close enough to plug in the cable. We strongly recommend the
use of a GFCI protected circuit. Use on 120 volts and make
sure the electrical outlet is not overloaded. This heating cable
will consume five amps or less of electricity. If an extension
cord is necessary, use only a properly sized, grounded cord
suitable for outdoor use.
Maximum 1/2 inch fiberglass (including pre-formed
fiberglass) insulation must be used over the heating cable
for lower temperature protection. Insulation applied over the
heating cable must also be applied over the thermostat.
Insulation must be protected with an additional waterproof
overwrap using opposite spiraling.
WARNING: We recommend the use of a ground fault
circuit interrupter (GFCI) receptacle or circuit breaker
to reduce the danger of fire or electrical shock from a
damaged or improperly installed heating cable.
Electrical fault current caused by a damaged or
improperly install cable MAY NOT BE LARGE
ENOUGH to trip a conventional circuit breaker. If you
DO NOT know whether your electrical circuit is
protected by a GFCI, ALWAYS consult an electrician.
NOTE: Many mobile home receptacles are NOT
protected by a GFCI.
WARNING: Never use more than 1/2 inch of
fiberglass or other non-flammable insulation made
for pipe application.
Over-insulation can cause the heating cable to
overheat and cause serious fire hazard or electrical
Before operating the heating cable, the installer should
complete the record of purchase form.
Special Notes for Plastic Pipe Installation
The thermostat (the splice or end of the heating cable) must
be placed tightly against the pipe and secured with good
quality electrical tape. The thermostat should be placed on
the coldest end of the pipe to turn the cable on and off, for an
energy saving operation.
Apply good quality electrical tape at 15cm intervals to
secure the heating cable straight along the pipe. Minimum
heating cable bend radius is 1 inch.
WARNING: Always use good quality electrical
tape with a minimum of 176℉/80℃ temperature
rating. Other adhesive
tapesmay allow the cable to move or shift at normal
cable operating temperatures and could result in
overheating, fire or electrical shock.
WARNING: Never install heating cable on plastic
pipe unless pipe is filled with water at all times. Use
plastic (including PEX tubing) piping material
suitable for residential water applications. Never spiral
heating cable on pipes. Keep the heating cable straight
along the pipe. In order to obtain even heat
distribution, we recommend wrapping plastic pipes with
aluminum foil before applying the heating cable.
CABLE LENGTH RECOMMENDATION
Based on the diameter and length of standard pipes, we recommend cable lengths according to the following table.
Pipe
Diameter
Pipe
Length
Cable
Recommendation
3/8"3/4"
Number of Cables
1"-1
1/2"
Number of Cables
Cable Length
Cable Length
Pipe
Length
3'
4-5'
6'
7-8'
9'
10-11'
12'
13-14'
15'
0.9m
1.21.5m
1.8m
2.12.4m
2.7m
3.03.4m
3.7m
4.04.3m
4.6m
1
1
1
1
1
1
1
1
1
3ft
3ft
6ft
6ft
9ft
9ft
12ft
12ft
15ft
1
2
1
2
1
2
1
2
1
3ft
3ft
6ft
3ft+6ft
9ft
6ft
12ft
6ft+9ft
15ft
16-17'
18'
19-20'
21-23'
24'
25-27'
28-29'
30'
Cable
Recommendation
4.95.2m
5.5m
5.86.1m
6.47.0m
7.3m
7.68.2m
8.58.8m
9.1m
3/8"3/4"
Numberof Cables
1
1
1
2
1
1
2
1
15ft
18ft
18ft
12ft
24ft
24ft
15ft
30ft
1"-1
1/2"
Number of Cables
2
1
2
2
1
2
2
1
9ft
18ft
9+12ft
12ft
24ft
12ft+15ft
15ft
30ft
Pipe
Diameter
Cable Length
Cable Length
When using 2 cables, overlap cables with zones of overlap on opposite sides of the pipe.
To choose the right length of freeze protection cable,
the cable should be long enough to run along the bottom
of horizontal pipes and “weather side” of vertical pipes
(including valves) without crossing or spiraling. Never use
a cable longer than the pipe it is intended to protect.
Cable will be applied straight along pipe, and will protect
pipes up to 1-1/2 inches in diameter.
For pipe lengths longer than 30’, use two heating cables in
parallel on opposite sides of the pipe (see illustration).
Maximum “overlap” should not exceed 3 ft.
Do not install on pipes shorter than 3 ft. long.
For Standard Length Pipe, protect the pipe with a standard
length of heating cable, apply the cable straight along the
bottom of horizontal pipe or the “weather side” of vertical
pipe following installation instructions.
For Non-Standard Length Pipe, diameters from 3/8 in. to 3/4
inches, the heating cable can be at most 2 ft shorter than the
pipe.
Diameters from 1 in. to 1-1/2 in., apply two separate
cables on opposite sides of the pipe, starting from
opposite ends following installation instructions.
Overlap in the middle of the pipe should not exceed 3 ft.
CABLE LENGTH RECOMMENDATION (continued)
Product Information
Part Number
Voltage V
Cable Length/ft
Output W/ft
Watts
Amps
ohms
JWISD-21-1
120
3
7
21
0.2
685.7
JWISD-42-1
120
6
7
42
0.4
342.9
JWISD-63-1
120
9
7
63
0.5
228.6
JWISD-84-1
120
12
7
84
0.7
171.4
JWISD-105-1
120
15
7
105
0.9
137.1
JWISD-126-1
120
18
7
126
1.1
114.3
JWISD-168-1
120
24
7
168
1.4
85.7
JWISD-210-1
120
30
7
210
1.8
68.6
JWISD-280-1
120
40
7
280
2.3
51.4
JWISD-420-1
120
60
7
420
3.5
34.3
JWISD-560-1
120
80
7
560
4.7
25.7
WARNING: The following nine points must be strictly adhered to. Failure could cause overheating and result in serious
fire hazard or electrical shock.
While it is coiled, never plug in the heating cable.
Never use metal binding to secure heating cable to pipe.
Never install to avoid external heat sources which might
overheat installation. Do not use heating cable on pipes
heated
above 68℃/155℉, such as steam lines.
Do not install the same cable on more than one pipe. This
could cause the heating cable to overheat and may result
in fire or electrical shock.
Never alter this heating cable in any way. If made
shorter, it will overheat. Any attempt to physically alter
the heating cable will void the warranty. Once cut, the
heating cable cannot be repaired.
Never allow heating cable to touch, cross or overlap
itself at any points. This will cause the heating cable
to overheat and could result in fire or electrical shock.
The thermostat and the entire heating cable has to be in
contact with the pipe.
Never install heating cable in walls, loors or ceiling.
Combustible material must not be within 1/2 in. (13mm) of
completed installation.
MAINTENANCE
At the beginning of the heating season and monthly during
operation, inspect the heating cable and its connection to the
electric power source. Discontinue use and remove any unit
that has been cut, damaged, immersed in water, shows any
evidence of charring or cracking, or has deteriorated for any
reason. Other conditions to look for are chewing by animals,
debris thrown from lawnmower or any physical abuse. This
cable does not contain any serviceable parts.
Heating cable may remain on the pipe year round,
but we suggest always turning off or disconnecting
the power at the end of the season (when air
temperatures remain above 10
℃). The thermostat turns the heating cable on when exposed
to temperatures below 3℃. It will shut the heating cable off
when the pipe has been heated to a temperature of
approximately 10℃
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