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Isotherm SFE00021AA – Inox Flexible Tube F/F 1/2" × 1/2", 250 mm for Basic / Slim / SPA / Square
The Isotherm SFE00021AA is an OEM stainless-steel flexible tube designed for Isotemp Basic, Slim, SPA and Square marine water heaters. With 1/2" female–female threaded connections and a length of 250 mm, the tube provides a robust and corrosion-resistant link between heater ports and the vessel’s hot-water plumbing system. Its flexible inox construction enables easy installation in tight compartments, reducing strain on threaded fittings and supporting stable water flow even under vibration.
Engineered from high-grade stainless steel, the tube withstands hot-water temperatures, moisture, pressure variations and the mechanical stresses typical of marine environments. It ensures a secure, leak-free connection with standard 1/2" BSPP fittings and is frequently used during hot-water system installation, refit operations or replacement of aged or rigid pipe sections. The 250 mm length offers additional routing flexibility compared to shorter tubes, improving installation options in complex plumbing layouts.
Technical Specifications
Parameter Value Model SFE00021AA Type Flexible inox connection tube Thread Size 1/2" F × 1/2" F Length 250 mm Material Stainless steel (inox) Compatibility Isotemp Basic, Slim, SPA, Square heaters Function Flexible hot-water plumbing connector Environment Marine hot-water systems
Features
- 1/2" F/F stainless-steel flexible tube for multiple Isotemp heater series.
- Corrosion-resistant inox construction suitable for marine use.
- 250 mm length provides improved routing flexibility.
- Absorbs vibration and reduces stress on fittings.
- OEM-grade replacement for rigid or degraded plumbing sections.
Applications
- Isotemp Basic, Slim, SPA and Square water heaters.
- Hot-water circuit routing in restricted engine-room spaces.
- Replacement of corroded or inflexible pipes.
- Plumbing systems requiring vibration-resistant flexible connectors.
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