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17979 State Route 536
Mt. Vernon, WA 98273
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8003 Value Heating Cable 24 ft (P5010 24)

Qty.

$21.95

Economical

Soil temperature is ALWAYS under control with a soil heating cable. Controlled bottom heat promotes rapid growth and produces vigorous plants with well developed root systems. Great for starting seeds and cuttings! Uses 14 watts per sq. ft. Built-in thermostat set for 70° F. 110 volts, 84 watts, 5 to 7 square feet.

Note:
The maximum temperature this cable can maintain is dependent on the cable spacing, the medium, moisture level of the medium, and the air temperature. Optimum spacing for cables is 2-3 inches apart.

See Charley's Tip - Build an Indoor Propagation Hot Bed


See Also
8002 Value Heating Cable 12 ft (P5010 12)
8004 Value Heating Cable 36 ft (P5010 36)
8005 Value Heating Cable 48 ft (P5010 48)

Learn More About
8003 Value Heating Cable 24 ft (P5010 24)

General Product Information:
Electric soil heating cables with built in thermostat automatically activates cable when soil temperature is below 70° F.

Dimensions: 24 Ft. Length
Color: Cable is orange, cord for plug in is white.

Shipping Information:
Standard shipping charges apply.


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Installation:

  1. Decide where electrical power cord set connections to be for convenient power supply, especially if more than one cable is being used.
  2. Thermostat is enclosed in plastic pod, and cannot be adjusted.
  3. In general, the best location for thermostat will be half way between center of area and outer edge of area.
  4. Do not apply power to Gro-Quick soil warming cable while coiled. A cold unit will be stiff-once the unit has been completely straightened; it may be energized to facilitate installation cooler weather.
  5. Best results will be achieved by attaching the cable to hardware cloth, this will hold the cable at a uniform depth, maintain spacing and permit easy adjustment when required. Obtain a piece of this material (metal or plastic mesh) having opening about ½ inch square. Pierce as required to fit planting area.
  6. For a seed flat installation, use lumber or rigid insulation board for bottom. Be sure that flats, sash beds, window boxes, etc. have adequate drainage opening in bottom. Soil warming cables must not lay in standing water.
  7. Examine the flat, sash bed, window box for and remove any nails, screws, or sharp metal objects which might cut or damage cables.
  8. Add ½ to ¾ inch of level soil or non-flammable bedding material. Soil warming cable must not be placed in direct contact with wood or other flammable surfaces or materials.
  9. Loosely attach cable to hardware cloth using string, twine or PVC tape at each end and center of loops plus every six to nine inches of straight run.
  10. Place hardware cloth into flat, with the warming cable facing down. This will help protect warming cable from being moved or damaged by tools used to place, cultivate or remove plants or seedlings. Remember thermostat position or mark with stick.
  11. Add about three more inches of soil and level.
  12. Connect to electrical power supply as required by local building code.
  13. The point of connection to power must be protected from entry of water or other foreign matter by appropriate means.
  14. The exposed portion of Gro-Quick soil warming cable unit above soil must be protected form any possible abuse. If external abuse is possible, protect installation with metal sheathing such as stove pipe or heavier materials as required.
  15. Disconnect power to soil warming cable while seeding, cultivating, watering and harvesting the planting bed to avoid the possibility of electrical shock.
  16. Add water as might be required to achieve growing conditions. Apply power to Gro-quick soil warming cables. Use tape or other depth marking (about 1-1 ½ inches) and place soil thermometer in position. Monitor single point for temperature change.
  17. When temperature has reached its maximum, check for uniformity by moving thermometer from place to place within planting area. Always insert thermometer to same depth.
  18. If temperature uniformity is unsatisfactory, the soil over hardware cloth must be removed and the cable pattern adjusted to put more cable where cooler and less where warmer. Replace soil that was just removed. Repeat steps 15-17 until satisfactory.
  19. If the temperature of planting area is uniform, but too high or too low, the temperature may be regulated by repositioning the cable to be closer to or farther away from the thermostat respectively.
  20. To make these adjustment first unplug the soil warming cable and remove the soil immediately above the thermostat. Snip string or PVC tape attaching soil warming cable to hardware cloth in vicinity of thermostat, creating slack in cable. Looking down at the thermostat, lift hardware cloth slightly and reposition the cable in relation to the thermostat. If the temperature was too high, position heating cables closer to thermostat, but not touching it. If the temperature was too low, position heating cables farther away from thermostat. Replace soil that was just removed. Never allow cables to touch themselves or thermostat.
  21. For a window box or outdoor sash bed the installation or rigid insulation board under and around planting bed is desirable in order to reduce heat lost to the surroundings. Remember to provide adequate drainage. Extra sash and or burlap covering will help for overnight cold snaps.
  22. For starting seeds in small posts or cups, about an inch of level soil above cable is suggested, followed by placement of desired container plus more level soil so that one half inch or less of container height is seen. Be aware that plastic containers transmit heat very slowly from heated soil outside to potting mixture inside and accurate temperatures will be difficult if not impossible to achieve. For this reason, Wrap-On suggest the layered planting bed method is an efficient alternative and use of pots or other vessels only after transplantation. Merely placing containers atop heated planting bed would work no better than placing the same containers upon a nearby shelf.
  23. Since Gro-Quick soil warming cable performs all day and all night, unless switched off, moisture level in soil must be maintained by more frequent watering or sprinkling. Moisture is required to promote the flow of heat for Gro-Quick soil warming cable throughout planting bed. When sprouts and leaves appear, water may be lost even more rapidly. It is recommended that the planting bed be kept moist at all times. Use caution-over watering can cause damping-off of sprouts or drowning of seeds.
  24. The use of plastic tools or implements for seeding, cultivating and harvesting the planting bed is encouraged. In any case, use care not to contact or disturb buried cable or thermostat.
  25. When planting bed is not in active use, disconnect power to soil warming cable in order to conserve energy.
  26. If separate thermostat controls Gro-Quick soil warming cable, place sensing portion aligned mid-way between cables and at same depth as cable.
  27. Those desert plants that need higher temperature do not need so much moisture and may suffer from an excess, but usually grow better in sandy mixtures. If desired, place only one inch of level soil over hardware cloth plus two to three inches of sandy mixture. Water at spots which will keep soil below sand properly moist. Any water will generally pass straight down through sand, similar to the action of a dry well. Perform any temperature tests before sandy mixture is placed to save labor and intermixing, confirm after sandy mixture is in place.

Trouble Shooting:
If temperature of planting bed decreases while in use, verify that electrical power is available to cables, and that sufficient moisture is present at cable level of planting bed. Beyond these possibilities, the thermostat may be malfunctioning (remaining open, not permitting electric current flow for operation). Disconnect power and remove soil, which is above thermostat, note moisture content locally. Place an ice cube over center of thermostat and apply power. If this action does not cause a temperature increase within an hour, the soil warming cable has probably ceased to function. Discontinue use and disconnect power to avoid electric shock.
Cables can feel cool to the touch even when operating correctly. Monitor planting bed temperature with an accurate thermometer, do not depend upon sense of feel for localized conditions can fool the senses. Cables will cycle on and off in normal use, sometimes more than once in a minute.
Avoid cable contact with any solution containing petroleum (oil).
Do not cross cable.
Do not allow cable to touch side by side.
Do not cut cable.

For further information, please contact Charley's Customer Service at 1-800-322-4707.

Warranty:
This item is backed by Charley's 100% guarantee. If you are not completely satisfied, return your purchase in the condition you receive it, within 30 days, for a refund, exchange or credit - whichever you prefer. If any product is found to be defective within the first year, it may be returned or exchanged for full credit.