Frost King HC3A Automatic Electric Heat Kit Heating Cables, 3 Feet, Black
4.6 | 6,289 ratings
Price: 21.16
Last update: 02-02-2026
About this item
- 3Ft x 120V x 7W/ft
- Keeps water flowing down to (-40) degrees F
- For metal and plastic water pipes
- Easy to install
Product information
Item details
| Brand Name | Frost King |
|---|---|
| Model Name | Automatic Electric Heat Cable Kit |
| Global Trade Identification Number | 10077578015658 |
| Manufacturer | Frost King |
| UPC | 077578015651 |
| Customer Reviews | 4.64.6 out of 5 stars(6,228) 4.6 out of 5 stars |
| Best Sellers Rank |
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| ASIN | B000IKSQ8U |
| Item Nype Name | Electric Heat Cable Kit |
| Included Components | Frost King HC03 Automatic Electric Heat Cable Kits, 3ft x 120V x 7 Watts/ft |
| Item Height | 1.25 inches |
| Manufacturer Contact Information | 1-800-526-5265 |
| Unit Count | 1 Piece |
Warranty & Support
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Frost King HC3A Automatic Electric Heat Kit Heating Cables, 3 Feet, Black
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Features & Specs
| Additional Features | Keeps water flowing down to -40 degrees Fahrenheit |
|---|---|
| Voltage | 120 Volts |
| Wattage | 7 watts |
Measurements
| Item Weight | 8.25 ounces |
|---|---|
| Item Dimensions | 8.75 x 7.5 x 1.25 inches |
Additional details
| Material Type | Fabric |
|---|---|
| Color | Black |
Top reviews from the United States
- JeremyFantastic product, Indicator light is great!Fantastic product, works as described. Helps keep my water manifolds at a site less prone to freezing when the weather gets colder. Love that they have a power indicator when in use and the thermostat seems to be spot on when I've been using it with our plumbing.
- Eric McCalmentValueWorks for my back flow vavles
- Frank AWorks exactly as it shouldThis Frost King 6ft heat cable works exactly as it supposed to work!
I have a pipe that has frozen and split two times in a 10 year period in a non-heated crawl space area. As you can see from the pictures that this last time I made the repair I located the pipe 2 inches away from the outside wall and used the thicker walled "Type L" copper pipe. The Frost King heat cable was very flexible (after I tested it and it had warmed up) to easily tie-wrap to the pipe every 3.5 - 4 inches. After it was tied to the pipe, I trimmed the tie-wrap "tails" and covered the pipe and heat cable with Frost King cotton pipe insulation. Then I covered the spiral seems of the cotton insulation with aluminum duct tape to keep away bugs and critters that may be attracted to the cotton. The Frost King cotton insulation is Class A fire rated, so I have no worries that this install is safe... especially with aluminum furnace tape over it.
When I first tried to test the heat cable by using ice packs to chill the sensor for 10-15 mins, the cable appeared to be a dud... it didn't get warm and my "Kill-A-Watt" meter showed no power usage. Then I thought that the heat cable and sensor, that have been sitting in my 90+ degree garage for a day, may be too warm internally to activate even with ice packs surrounding the sensor. So, I put the heat cable in my refrigerator, for 45 mins, to chill the whole thing down to my average crawl space temps in winter time. Then I extended the chilled cable on my counter top and covered the sensor with ice packs and wrapped a hand towel around it (just the sensor section) to let the cold do its job. Within 10 mins the watt meter showed that the cable was drawing 42 watts. I left the cable warm up for another 20mins to see how hot it would get and I could still comfortably hold it in my hand. After I removed the ice packs the cable switched off in just under 8 mins in a 70 degree kitchen... so this cable is slower to react to sudden temp changes than I had thought it would, but it works exactly like it should, since it is only keeping water flowing and preventing ice damage. - Holly F HalcombAs advertisedThis heat strip is very flexible and easy to wrap around a pipe. The indicator light in the plug ensures you have power to the strip. It doesn’t seem to get very warm to the touch so I’m waiting to see how well it performs when the outside temperature drops down below freezing. So far it, on the nights when it has dropped down cold outside, the pipe hasn’t frozen but, it hasn’t really been cold enough long enough to know for sure.
If you use these strips, be sure to wrap some type of insulation around the pipe as well to hold in the heat from the strip. Otherwise it will not be nearly as effective in extremely cold windy conditions. - br6875392Great productAwesome product good value and clear instructions.
- Gary KWorked flawlesslyThis is a replacement of original which is at the end of its life. Original worked flawlessly, this one should as well
- M. W. NaylorWorks perfectly - thawed our frozen outdoor faucet overnightEasy to install - our outdoor faucet in our barn is about 3 feet above ground. By taping this heater to the pipe with black electrician's tape, then covering with aluminum-backed insulation (also taped), this unit was able to thaw our frozen faucet overnight. We applied it starting with the end of the cable near the top of the pipe, ran it down to about 2 inches above ground, then ran it back up the other side of the pipe to the top. The electric cord was long enough to plug into the nearby outlet. The thermostat is designed to energize the heating cord only when the air temperature falls below freezing.
I like the materials used to make this heat kit and have full confidence it will keep our faucet thawed, even in below zero weather for years to come. 5 Stars! - JoolzKeeps frostbite away from my chickensThis is my third winter using this for my chicken coop. I’ve run it along their perches and it’s just enough to provide extra warmth without the fear of danger that typical heat lamps can cause. I do cover the tape so their feet aren’t directly on it. It has saved my girls and roosters from frostbit toes ands gives me peace of mind when we hit minus twenties at times in the winter. I know it’s not the typical use but after much research was what I felt most comfortable using for my coop. Even a thirty foot length uses less than one 250 watt heat bulb.