Viking VK468 K4.9 Residential Model 175 Sprinkler

The Viking VK468 K4.9 Residential Model 175 Sprinkler provides dependable fire suppression for residential wet pipe fire protection systems. Engineered to meet strict life safety demands, this automatic thermal sprinkler installs directly into piping networks to control early-stage residential fires and limit property damage. It operates in compliance with NFPA 13 installation requirements for residential occupancies, utilizing a fast-response thermal element to deliver targeted water distribution across living spaces, bedrooms, and kitchens.

This unit features a durable brass body built to withstand corrosive environments and long-term service pressure. The integrated glass bulb triggers rapid activation when exposed to heat, while the engineered deflector ensures wide, even water coverage. Designed with a standard threaded connection, it drops easily into place during new construction or system retrofits.

• Brass Construction: Made with corrosion-resistant brass for long-term durability in home environments.
• K4.9 Rating: Delivers balanced water flow for early fire control.
• Fast-Response Glass Bulb: Activates quickly under heat to improve reaction times.
• Engineered Deflector: Directs wide and even water coverage across rooms.
• Standard Connection: Features a 1/2-inch NPT threaded connection for straightforward fitting.

Contractors must verify local Authority Having Jurisdiction (AHJ) requirements and consult manufacturer technical data sheets before beginning installation.

Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)