[High Compatibility] The 2 pcs grill gas control valves are compatible with Blackstone 36 inch 4 Burner models 1554, 1565, 1836, 1866 gas griddle cooking stations, Blackstone 2 Burner models 1517, 1651 gas griddle cooking stations, and Blackstone 4 Burner liquid propane flat top grill model 1560 [Solve Your Problems] These griddle replacement parts have a maximum working pressure of 1/2 PSI and can help resolve issues related to flame control, including turning the flame on, off, and adjusting it. Replacing old griddle parts is a cost-effective solution compared to purchasing a new grill griddle [Premium Material] The grill griddle replacement valves are constructed from high-quality aluminum and zinc alloy, designed for durability and long-term use [Easy to Install] Remove the gas rail from the griddle body and replace the gas valve parts. Ensure a proper seal by using the gasket included with the control valve [Warm Reminder] Suitable for use with natural gas, liquefied petroleum gas, and propane (LPG). Please verify your grill model before purchasing. For any questions, contact the seller through Amazon messages Color: Photo Color Material: Metal Package Contents: 2 x Griddle Burner Control Valve Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the photo and the actual product. Measurement may vary by +/- 1-3 cm