Viking is a proud world leader in the design and manufacturing of life-saving fire sprinklers. The VK4921 Standard Response Concealed Pendent Sprinkler is just one of thousands of industry-leading sprinklers available to customers!

The VK4921 is a thermosensitive glass bulb spray sprinkler designed for installation on concealed pipe systems where the appearance of a smooth ceiling is desired. The addition of a reinforced nylon wrench allows for installation with the protective cap in place, minimizing the chance of damage to the sprinkler during installation. Viking also offers a cap removal tool to aid in finishing the job from the ground.