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and code-compliant accessories that blend seamlessly into modern building designs
0 HP motor with thermal protection
capable of filling systems to 40 PSI within 30 minutes for reliable emergency readiness
you can trust this valve to perform when it matters most
Lead-Free Design (LF): Compliant with health and safety regulations
Viking VK638 K8.0 QREC Horizontal Sidewall Fire Sprinkler RZ Mask and code-compliant accessories that blendThe Viking VK638 K8. 0 QREC Horizontal Sidewall Fire Sprinkler is engineered for dependable fire protection in large commercial, industrial, and corridor spaces. Designed with efficiency and durability in mind, it provides optimized coverage and reliable suppression where smoke and fire risks demand quick response. High K Factor 8. 0 (115): Offers extended coverage up to 28 by 14 feet, reducing the number of sprinklers needed to protect large areas