Product: RL series damper hydraulic cylinder Brand: Riello Type: damper hydraulic cylinder Product number: 3003825 This product is used in the fuel burner of the Italian Riello brand. The function is to open the small fire damper, the large fire damper, and the closed position respectively. The small fire and large fire dampers can be adjusted separately. Applicable models: RL28, RL34, RL38, RL44, RL50, RL70, RL100, RL130, RL190, RL250 |