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Flex Technologies HH-112X25 1-1/8 in I.D. Blue Silicone Heater Hose | 25 Foot Roll
Flex Technologies HH-112X25 1-1/8 in I.D. Blue Silicone Heater Hose | 25 Foot Roll
Regular price
$191.79
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Flex Technologies HH-112-25 Silicone Heater Hose Roll
High-performance, heavy-duty silicone heater hose designed for demanding cooling and heating line applications. The Flex Technologies HH-112-25 is a 1-1/8 inch inside diameter, 25-foot roll of SAE J20-compliant, single-ply, reinforced silicone hose. With excellent heat, ozone, and chemical resistance, it’s engineered to provide reliable long-term performance under high temperatures and pressure. Ideal for marine, industrial, and truck/heavy equipment heater and coolant systems where flexible, durable hose is needed in custom lengths.
Flex Technologies HH-112-25 Specifications
| Manufacturer | Flex Technologies |
| Part Number | HH-112-25 |
| Inner Diameter (I.D.) | 1-1/8″ (1.125 in) |
| Wall Thickness | 0.200″ |
| Overall Length | 25 feet (roll) |
| Burst Pressure | 175 PSI |
| Color | Blue |
| SAE / Industry Compliance | SAE J20 R3 (heater hose spec) |
| Temperature Range* | −65 °F to +350 °F (typical for silicone heater hose)† |
| Construction | Silicone single ply reinforced |
Flex Technologies HH-112-25 Cross References & Applications
| Application / Use Case | Notes |
|---|---|
| Truck / Heavy Vehicle Heater Lines | Custom cuts for heater core or under-hood heater hoses |
| Industrial Machinery | Coolant or heat transfer in machines, generators |
| Marine / Off-road Vehicles | Resistant to oil splash, ozone, UV; flexible routing |
| Replacement for Rubber Heater Hose | Better longevity and temperature/pressure handling than standard rubber hose |
*Temperature range given is typical for silicone heater hose of this type; always verify with manufacturer’s spec sheet. †Burst pressure is tested at ambient temperature.
Fitment & Installation Tips: Cut hose clean and square. Use clamps rated for silicone hose, ensure fittings are compatible with 1-1/8″ inner diameter. Inspect for abrasion, routing away from sharp edges and high exhaust areas. Regular visual inspection helps ensure long service life.
Reminder: Always confirm hose diameter and wall thickness match your original or required hoses before ordering and installation, especially in systems under high temperature or elevated pressure.