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FrostGuard 120 V

120 V PREASSEMBLED ELECTRIC HEATING CABLES FOR PIPE FREEZE PROTECTION AND ROOF & 
GUTTER DE-ICING INSTALLATION INSTRUCTIONS

THERMAL BUILDING SOLUTIONS

EN-RaychemFrostGuard120V-IM-H59486      05/16

Pipe Freeze Protection

Roof and gutter de-icing: standard roof

Roof and gutter de-icing: standing seam metal roof

DESCRIPTION

FrostGuard 120 V preassembled self-regulating heating cables are 

designed for residential and light commercial metal and plastic pipe 

freeze protection and roof & gutter de-icing applications. FrostGuard 

120 V heating cables are available in 6, 12, 18, 24, 36, 50, 75 and 100 

foot lengths, and each comes assembled with a 6-ft power cord and 

lighted plug.

KIT CONTENTS

1  FrostGuard preassembled electric heating cable
2  Roof and gutter labels
2  Pipe labels

ADDITIONAL ITEMS REQUIRED BUT NOT SUPPLIED FOR 

PIPE APPLICATIONS

•  Ground-fault protected outlet (GFCI)
•  Waterproof thermal insulation (e.g. preformed foam)
•  Raychem H903 Application Tape and Electric Traced Labels

ADDITIONAL ITEMS REQUIRED BUT NOT SUPPLIED FOR 

ROOF & GUTTER APPLICATIONS

•  Raychem H913/H914 Roof Clips (10 clips for each 7 linear feet of 

roof edge)

•  Raychem H915 Hanger Bracket (1 for each downspout, 2 if looping)
•  UV Resistant cable ties
•  Ground-fault protected outlet (GFCI)

APPROVALS

-WS

FIRE AND SHOCK HAZARD

. This product is an electrical device 

that must be installed correctly to ensure proper operation and to 

prevent shock or fire. Read these important warnings and carefully 

follow all the installation instructions.
•   To minimize the danger of fire from sustained electrical arcing 

if the heating cable is damaged or improperly installed, and 

to comply with the requirements of Pentair Thermal Building 

Solutions agency certifications, and national electrical codes, 

ground-fault equipment protection must be used on each 

heating cable branch circuit. Arcing may not be stopped by 

conventional circuit protection.

•   For pipe freeze protection applications, use only fire-resistant 

insulation materials such as preformed foam or fiberglass.

•   Do not damage the heating cable and power cord or plug. 

Remove any damaged cables from service immediately.

•   Do not use any wire or metal clamps to attach the cable to the 

pipe. Use tape (1/2 inch wide to 1 inch wide) or plastic cable ties.

•   Do not install the heating cable underneath any roof covering 

for roof and gutter de-icing.

•   Leave these installation instructions with the user for future 

reference.

WARNING:

Summary of Contents for Raychem FrostGuard

Page 1: ...inear feet of roof edge Raychem H915 Hanger Bracket 1 for each downspout 2 if looping UV Resistant cable ties Ground fault protected outlet GFCI APPROVALS WS FIRE AND SHOCK HAZARD This product is an electrical device that must be installed correctly to ensure proper operation and to prevent shock or fire Read these important warnings and carefully follow all the installation instructions To minimi...

Page 2: ...lication or method of installation consult Pentair Thermal Building Solutions at 800 545 6258 FrostGuard 120 V FG1 heating cable selection for pipe freeze protection Use the tables to below to select the correct heating cable Add 1 foot to your pipe length for each valve or spigot on your pipe system The charts assume the lowest outside temperature is 0 F 18 C with a minimum of 1 2 thick waterproo...

Page 3: ...nstall heating cable using straight tracing Figure 1 or spiral ing Figure 2 For straight tracing install the heating cable on a lower half of the pipe for example in the 4 o clock or 8 o clock position Be sure to install the additional heating cable required for valves flanges etc as shown in Figures 1 and 2 When the design calls for spiraling begin by suspending a loop every 10 feet as shown in F...

Page 4: ...luded with the heating cable Attach the two Electric Traced labels on the outer surface of the pipe insulation at suitable intervals to indicate the presence of FrostGuard electric heating cable 6 Starting the system Pentair Thermal Building Solutions recommends that the sys tem be tested per the Cable testing and maintenance section below Plug the heating cable into a 120 V ground fault protected...

Page 5: ...ing Install only in accessible locations do not install behind walls or where the cable would be hidden Do not run the heating cable through walls ceilings or floors Connect only to ground fault protected outlets that have been installed in accordance with all prevailing national and local codes and standards and are protected from rain and other water Electrical codes Article 426 of the National ...

Page 6: ...f FrostGuard to install For valleys run the heating cable two thirds of the way up and down the valley For gutters 5 6 inches wide use 2 runs of heating cable For gutters wider than 6 inches contact Pentair Thermal Building Solutions 800 545 6258 Heating cable installation 1 Prepare for installation Store the heating cable in a clean dry place Use only the following Pentair Thermal Building Soluti...

Page 7: ...along gutters and into downspouts ending below the freezing level Permanent attachment of the cable to the gutter bottom is not necessary Loop the heating cable in downspouts Do not leave the end of the FrostGuard in air at the end of the downspout as shown in Figure 10 Use H915 Hanger Brackets at the gutter downspout transition to protect the heating cable from fraying and from damage from sharp ...

Page 8: ...led maintenance and compare to the original value If the readings fall below 1000 megohms inspect heating cables and insulation for signs of damage Product specifications FG1 6P FG1 12P FG1 18P FG1 24P FG1 36P FG1 50P FG1 75P FG1 100P Cable length ft m 6 1 8 12 3 7 18 5 5 24 7 3 36 11 50 15 75 23 100 30 Min power output at 40 F 4 C on pipe watts 36 72 108 144 216 300 450 600 Nominal power output i...

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