Johnson Controls / Tyco · CSI Division 21
Series LFII Residential Sprinkler
Residential sprinkler for NFPA 13D/13R systems, UL listed for dwelling units, 4.9 K-factor, fast response.
The full text is for BuildSpec members
Read the complete section, search across every adopted code, run the calculators and ask Copilot — free for 14 days, no card required.
- Full specifications, certifications and listings
- Sustainability data (recycled content, VOC, LEED)
- Related assemblies, CSI sections and code references
- Insert into a project spec with one click