Marathon Heater [India] Pvt. Ltd. Offers Right Angle Stainless Steel Conduit. Marathon Heater [India] Pvt. Ltd. Manufactures Temperature Sensors, High Quality Heaters etc. The Right Angle Stainless Steel Conduit offers the same advantages as swaged in stainless steel conduit but allows use in tight spaces. The Right Angle Stainless Steel Conduit is mainly used for armouring in specialty sensing devices, or medical equipment, including fibre-optics. Right angle flexible conduit can also be attached to the sheath with a copper elbow.