Flex Technologies
HH Series Silicone Heater Hose

Key Features

  • Single ply polyester braid reinforcement – 70 Durometer
  • Ultra-Clean logo free design – Custom company logo placement available.
  • Nominal 0.160” Wall Thickness
  • Excellent ozone and UV resistance.
  • Resistant to electrochemical degradation.
  • Available in Blue or Black color
Recommended working temperatures: -65° to 350°F (-53.9°C to +176.6°C).

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HH Series standard silicone hose products are not suitable for use with pressurized oil or fuel.  However, we offer special Fluorocarbon and Fluorosilicone liners that offer superior chemical resistance. Please contact our engineering department for more details or for support in designing a chemical resistant hose to meet your specific requirements.

Meets and exceeds all performance and physical criteria of SAE J20 R3, TMC RP303B Grade I and Grade II, Mil Spec A-A-52426 and various other heavy-duty OEM specifications.

Aramid reinforcement is available for high temperature applications up to 500°F. Please contact our engineering department or see the “4 Ply Woven Aramid Reinforced” section of our website for additional ultra high temperature products.

Commonly used in the following applications: Air intake connections, supercharger connections, turbo and intercooler drain lines, radiator or heater core connections or virtually any application where high temperatures or extreme working conditions exist

Used in aerospace applications, performance motors and vehicles, marine wet –exhaust, commercial truck and bus induction and cooling systems, agricultural and off highway vehicles, all turbo diesel applications, food and beverage connections and general manufacturing industries worldwide.

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