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Silicone Heater Hose

Silicone Heater Hose

Silicone heater hose is shiny and easier to clean. It is more resistant to chemicals, pressure and heat, and is more resistant to degradation and cracking compared to rubber heater hose. This silicone heater hose is also especially suited to running coolant lines to and from a turbocharger, where the coolant, surrounding air temperature, and metal attachment point might be much hotter than regular coolant passages.

Here are a couple things to look out for when purchasing these silicone heater hoses. First, make sure the part is all silicone, not a rubber inner with silicone coating. Our lines are all silicone with a fabric reinforcement layer. Second, check the wall size. Ours have 0.16" walls for great pressure abilities and good resistance to cuts and nicks. Remember to order clamps based on outer diameter, which will be the inner diameter plus double the wall thickness. We recommend our stainless steel worm gear clamps for these silicone heater hoses.

Table 1: Silicone Hester Hose Specification
Part No. I.D. O.D. Thickness Burst Pressure Length
inch mm mm mm MPa mm
HRSH-01 1/4" 6 16 5 3.5 1000
HRSH-02 3/8" 10 20 5 2.9 1000
HRSH-03 1/2" 13 23 5 2.7 1000
HRSH-04 5/8" 16 26 5 2.4 1000
HRSH-05 3/4" 19 29 5 2.2 1000
HRSH-06 7/8" 22 32 5 2.1 1000
HRSH-07 1" 25 35 5 2 1000
HRSH-08 1-1/2" 38 48 5 1.5 1000
HRSH-09 2" 51 61 5 1.2 1000
HRSH-10 2-1/2" 63 73 5 1 1000
HRSH-11 3" 76 86 5 0.8 1000
HRSH-12 3-1/2" 89 99 5 0.6 1000
HRSH-13 4" 102 112 5 0.5 1000

Use: Heater lines, Intake manifold cooling lines, Water-cooled Turbo chargers.

Note: Silicone heater hose is used for water coolant transfer applications and high temperature service. Silicone Heater Hose is commonly used for short run connections in low-pressure service for automotive coolant and heater systems. Do not use it for fuel or oil transfer applications.

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