A Heater Box Door Torsion Spring is responsible for exerting the required force to open and close the heater box door smoothly and securely. It is made from high-strength stainless steel material to withstand harsh working conditions encountered during the operation. The primary purpose of the spring is to ensure proper functionality of the door and allow for easy access to the heater box for maintenance and repairs.Attributes:• Provided with a left-hand direction of winding that allows for better distribution of stress and load on the torsion spring• Provided with a torque value of 2.9 in-lb at 180-degree deflection that allows for precise control over the movement of the heater box doorApplications:A Heater Box Door Torsion Spring helps to provide the necessary torque and tension for the smooth operation of the heater box door by storing and releasing mechanical energy, maintaining the integrity and reliability of the unit.