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Silicone Rubber Heater Other Options

Backer Marathon offers several other Silicone Rubber Heater design options to meet various application requirements. 

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Surface Sensing Thermostats

  • They are mounted to monitor the temperature of the part that the heater is attached to and can be mounted to stock heaters. Backer Marathon has several stock settings available and if other temperature settings are required, thermostats can be special ordered.
  • Thermostats are snap action style and are rated to 10 amps at 240 volts or 14 amps at 120 volts. They are not recommended for low voltage heaters.


Close Temperature Open Temperature
82°F 109°F
147°F 174°F
172°F 199°F
275°F 302°F


(all tolerances +/-9°F)


Silicone Rubber Heater Air Thermostat

Air Sensing Thermostats

  • Mounted to sense the temperature of the ambient air, they are commonly used with enclosure heaters when the air temperature is more important than the heater temperature.
  • Air sensing thermostats can be added to stock enclosure heaters and standard stock heaters.
  • They are available in the same temperature ratings as the surface sensing thermostats.


Close Temperature Open Temperature
28°F 55°F


(all tolerances +/- 9°F)

Silicone Rubber Heater Adjustable Thermostat

Adjustable Thermostats 

  • Can only be used to sense part temperature. They are often used with drum heaters but can also be used with standard heaters. Temperature adjustment range is 25°F to 330°F.

Silicone Rubber Heater Thermostat


  • Can be mounted to any silicone rubber heater and any calibration (J, K, etc.) is available.
Silicone Rubber Heater with Sponge Insulation

Silicone Rubber Sponge Insulation

  • To improve heater efficiency, 1/16", 1/8", 1/4", 3/8", or 1/2" insulation can be bonded to the outside of the heater. Closed cell silicone sponge is extremely flexible and has a temperature range of -103°F to 450°F. 
Silicone Rubber Round Heater

Round Heaters

  • Round shapes are available and are best attached to tooling with PSA.
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Custom Shapes

  • Odd shapes are available to fit those hard to heat devices.
  • Holes and cut-outs help fit those irregular shaped tools.
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