Gardner Bender® HotBlanket™ PVC Conduit Bender

Safely Heats PVC Piping for Precise Bending

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What's special about this heating blanket?

  • Heats PVC piping to a temperature at which it becomes easy to bend
  • 3 models available to cover conduit from 1/2" to 4", covering all commonly used sizes
  • Blanket wraps around the pipe so you have total control over what section of the piping you want to bend
  • Internal thermostatic temperature control adjusts heat according to the environment, ensuring fast heating even in cold weather
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This PVC Conduit heating blanket by Gardner Bender® is a convenient solution for bending PVC conduit from 1/2" to 4". Instead of inserting your conduit into the unit, this blanket is wrapped around the conduit for easy positioning. Heat is regulated by a thermostatic control that responds to your environment, ensuring fast heating and safe temperatures in any environment.

Part #DescriptionDimensionsWeightPrice
GB-BB51501/2" to 1-1/2" (12.7 mm to 38.1 mm)18" x 7.5"
(45.72 cm x 19.05 cm)
2 lbs (0.90 kg)
GB-BB20302" to 3" (50.8 mm to 76.2 mm)25" x 11.25"
(63.5 cm x 28.57 cm)
3 lbs (1.36 kg)
GB-BB30403" to 4" (76.2 mm to 101.6 mm)18" x 7.5"
(91.44 cm x 36.57 cm)
6 bs (2.72 kg)
Part #DescriptionComponent SizesWeightPrice
GB-BVS-240PVC Plug Set: Helps prevent collapsing and deformity in 2" - 4" PVC conduit during heating. Each set comes in a durable storage case to keep the set organized and protected.2", 2-1/2", 3", 4"6 lbs (2.72 kg)
  • Ideal for creating turns and bends for use in electrical, telecom, and plumbing applications
  • Unlike hot box type benders, the HotBlanket is compact in size and can be easily transported from jobsite to jobsite
  • Available plug set supports the inside of the conduit to prevent deformities while heating
  • Multi-circuit design and heavy gauge wire extends its service life far beyond that of other heat blankets
  • Heats to a temperature that won't scorch or burn conduit for increased personnel and fire protection


Property Value
Bending Temperature 250° F to 300° F (121.1° C to 148.8° C)
Conduit Ratings Up to Schedule 40
Life Cycle (Typical) Approximately 150 Bends
Conduit Size Warm-Up Size
1/2" to 1-1/2" 4 to 10 min
2" 7 to 10 min
3" 12 to 17 min
3-1/2" 15 to 18 min
4" 18 to 22 min


Watts Volts Amps
GB-BB5150 310 120 2.6
GB-BB2030 690 120 6.3
GB-BB3040 1120 120 10.2






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