Viking is a proud world leader in the design and manufacturing of life-saving fire sprinklers. The VK611 Microfast® HP EC/QREC Fusible Element Pendent Sprinkler is just one of thousands of industry-leading sprinklers available to customers! The VK611 is a thermosensitive solder link spray sprinkler available in several different finishes and temperature ratings to meet varying design requirements. The fusible operating element and special deflector characteristics meet the challenges of quick response extended coverage standards. The special Polyester coatings can be used in decorative applications where colors are desired. 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!