Information
Wet Fire Sprinkler System
Legend
- OS&Y Gate Valve
- Swing Check Valve
- Alarm Check Valve
- 4″ Swing Check Valve
- Fire Department Siamese Connection
- 2″ Main Drain (test pipe)
- Vane Type Waterflow Alarm Switch
- Alarm Bell
- Pressure Gauge
- ½” Ball Drip
images courtesy of Jim Schifiliti
Dry Fire Sprinkler System
Pre-Action Fire Sprinkler System
Deluge Fire Sprinkler System
Residential 13R Fire Sprinkler System
Key Resources


Residential 13R Standard
This standard focuses on low-rise residential occupancies.
Residential 13D Fire Sprinkler System


Residential 13D Standard
This standard focuses on one- and two-family dwellings as well as manufactured homes.