Viking is a proud world leader in the design and manufacturing of life-saving fire sprinklers. The VK4611 Quick Response Concealed Pendent Sprinkler is just one of thousands of industry-leading sprinklers available to customers! The VK4611 is a small thermosensitive, glass-bulb sprinkler designed for installation on concealed pipe systems where the appearance of a smooth ceiling is desired. The low-profile cover assemblies provide up to ½” (13 mm) of vertical adjustment.Sift through virtually every sprinkler in a flash with the revolutionary Sprinkler Selector! Select various criteria, such as K-factor, occupancy type, orientation, temperature and more, to get the part number you need. Test it out today and streamline your projects!