Dry sprinkler LFII HSW

automaticwaterside mounted

Overview
The Tyco® Series LFII sprinklers are residential horizontal sidewall sprinklers designed for homes, apartments, dormitories and hotels. They provide proven heat sensitivity and water distribution characteristics to help control residential fires and increase occupant escape and evacuation opportunities. They are suitable for wet pipe systems in family dwellings, four‑story buildings and residences of any occupancy per NFPA guidance.

Product summary
Orientation: Horizontal sidewall
K‑Factor: Up to 5.8 (model dependent)
Temperature rating: Up to 175°F (79°C)
System type: Wet and dry pipe systems
Thread: 1/2 inch

Features

• Corrosion‑resistant coating for extended service life
• Available variants and corresponding technical/ listing documents: TY1334 (4.2K), TY2334 (4.4K), TY3334 (5.6K), TY4334 (5.8K)
• UL and C‑UL Listed; NSF/ANSI 61 and Australian Watermark certified
• Fast response design suitable for residential occupancies

Benefits

• Purpose‑built for residential horizontal sidewall protection
• Simplified specification with multiple K‑factor variants for hydraulic design flexibility
• Backed by Tyco® legacy and global approvals for installer confidence

Technical specification
Listings and approvals: UL and C‑UL Listed; NSF/ANSI 61; Australian Watermark Certified; FM approved (5.8K only).
Response type: Fast. SIN numbers: TY1334, TY2334, TY3334, TY4334.
Orientation: Horizontal sidewall. System type: Wet and dry pipe systems. Thread size: 1/2 inch. Wrench recessed: W7; Wrench size: W6.
Refer to the corresponding Technical Data Sheet (TFP 410/412/415/417) for model‑specific installation and listing details.