LFII Concealed Sprinklers – Sprinklers, Nozzles & Accessories | Tyco Fire

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  2. Products and Solutions
  3. Sprinklers, Nozzles, and Accessories
  4. Residential
  5. LFII Concealed Sprinklers
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LFII Concealed Sprinklers

Pendant and Horizontal Sidewall Design Options

Orientation Concealed Horizontal Sidewall, Concealed Pendent
K-Factor Up to 6.9
Temperature Rating Up to 212°F
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LFII Concealed Sprinklers

  • Overview
  • Features & Benefits
  • Related Products
  • Specifications
  • Technical Resources
Contact Us

Fast Responsive Residential Sprinklers

These Tyco® Series LFII Residential Sprinklers are heat-sensitive, fast responsive and ideal for home fire protection. The concealed design makes this a great option for architecturally sensitive areas such as homes, apartments, and hotels dormitories. For use in wet pipe residential sprinkler systems for one- and two- family dwellings and mobile homes per NFPA13D and for the residential portions of any occupancy per NFPA 13.
Fast Responsive Residential Sprinklers

Features

  • UL and C-UL Listed; FM and NYC Approved; NSF /ANSI 61 Certified; Australian Watermark
  • For 4.9K concealed pendent — flat plate (TY2534), see TFP446 for technical information and listing details
  • For 6.9K pendent recessed and concealed, wet pipe system (TY4234), see TFP408 for technical information and listing details
  • For 4.2 K-factor, concealed horizontal sidewall, wet pipe system (TY2324), see TFP445 for technical information and listing details
  • For 4.9 K-factor domed plate concealed (TY2234), see TFP450 for technical information and listing details.
  • For 5.8K concealed pendent — flat plate (TY3584), see TFP448 for technical information and listing details

Benefits

Comprehensive Solution
Comprehensive Solution

We’re a one-stop shop for all your residential sprinkler system needs.

Rapid Response Premier Contractor Access
Rapid Response Premier Contractor Access

Find a premier partner installation company in your area. Start your search below.

Trusted Performance
Trusted Performance

Tyco® products have helped to protect spaces for more than 130 years.

Related Products

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LFP® Antifreeze

CPVC Rapid Seal Adapters

CPVC Rapid Seal Adapters

Technical Specification

Hazard Wet, Ordinary, Dry Listings and Approvals UL and C-UL Listed; FM and NYC Approved; NSF /ANSI 61 Certified; Australian Watermark
Note See Technical Data Sheet for details Response Fast
SIN Numbers TY2324, TY2234, TY4234, TY2534, TY3584 System Type Wet, Dry
Thread Up to 3/4 inch Wrench W42, W44, W37, W18, W7, W6

Technical Resources

Document Name
Description
Language
Resource Type

Data Sheet

TFP408 Technical Data Sheet (English)

LFII Residential Sprinklers - TFP408 (English) Pendent, Recessed Pendent, and Concealed, NFPA 13 Optimized Wet Pipe Systems, K-factor = 6.9

English Data Sheet
VIEW

Data Sheet

TFP450 Technical Data Sheet (English)

LFII Residential Sprinklers - TFP450 (English) Domed-Plate Concealed Pendent, Wet Pipe and Dry Pipe Systems, K-factor = 4.9

English Data Sheet
VIEW

Data Sheet

TFP445 Technical Data Sheet (English)

LFII Residential Sprinklers - TFP445 (English) Concealed Horizontal Sidewall, Wet Pipe Systems, K-factor = 4.2

English Data Sheet
VIEW

Data Sheet

TFP446 Technical Data Sheet (English)

LFII Concealed Sprinklers - TFP446 (English) 4.9 K-factor Concealed Pendent Sprinkler Flat Plate, Wet Pipe System

English Data Sheet
VIEW

Certificate

WaterMark-Certificate-of-Conformity_3-21 (English)

Certificate of Conformity

English Certificate
VIEW

Flyer

LFII-4.2K-Concealed-Horizontal-Sidewall_8-20 (English)

Product Overview: LFII 4.2K Concealed Sidewall

English Flyer
VIEW

Flyer

Custom-Paint-Cover-Plates_7-18 (English)

Product Overview: Custom Paint Cover Plate Options

English Flyer
VIEW

Flyer

FSP2019003_LFII Concealed Pendent Sprinkler Overview_US_Jan 2019_PRINT (English)

LFII 4.9K Concealed Pendent Sprinkler Intermediate Temperature-Rated Model

English Flyer
VIEW

Flyer

FS2303017_LFII 5.8K Sprinkler Product Flyer-US-DIGITAL (English)

LFII 5.8K Concealed Pendant Sprinkler

English Flyer
VIEW

Installation Manual (IM)

IH-1900_01_2024 (English)

BlazeMaster Installation Handbook: IH-1900

English Installation Manual (IM)
VIEW

Brochure

Residential Fire Protection Sprinklers and Systems Product Guide (English)

Product Guide: Residential Fire Protection Sprinklers & Systems

English Brochure
VIEW

Case Study

TYC_9957_QIM_CS (English)

Comprehensive Residential Solution, UK

English Case Study
VIEW

Case Study

TYC_9958_CLF-SATREM_CS (English)

Comprehensive Residential Solution, France

English Case Study
VIEW

Data Sheet

TFP408_SV Technical Data Sheet – Swedish Translation (Swedish-Sweden)

LFII Residential Sprinklers - TFP408 (Swedish) Pendent, Recessed Pendent, and Concealed, NFPA 13 Optimized Wet Pipe Systems, K-factor = 6.9

Swedish-Sweden Data Sheet
VIEW

Data Sheet

TFP450_SV Technical Data Sheet – Swedish Translation (Swedish-Sweden)

LFII Residential Sprinklers - TFP450 (Swedish) Domed-Plate Concealed Pendent, Wet Pipe and Dry Pipe Systems, K-factor = 4.9

Swedish-Sweden Data Sheet
VIEW

Data Sheet

TFP445_SV Technical Data Sheet – Swedish Translation (Swedish-Sweden)

LFII Residential Sprinklers - TFP445 (Swedish) Concealed Horizontal Sidewall, Wet Pipe Systems, K-factor = 4.2

Swedish-Sweden Data Sheet
VIEW

Data Sheet

TFP446_SV Technical Data Sheet - Swedish Translation (Swedish-Sweden)

LFII Concealed Sprinklers - TFP446 (Swedish) 4.9 K-factor Concealed Pendent Sprinkler Flat Plate, Wet Pipe System

Swedish-Sweden Data Sheet
VIEW

Data Sheet

TFP445_CF Technical Data Sheet (French)

LFII Residential Sprinklers - TFP445 (French) Concealed Horizontal Sidewall, Wet Pipe Systems, K-factor = 4.2

French Data Sheet
VIEW

Data Sheet

TFP446_CF Technical Data Sheet - Canadian French Translation (French-Canada)

LFII Concealed Sprinklers - TFP446 (French) 4.9 K-factor Concealed Pendent Sprinkler Flat Plate, Wet Pipe System

French-Canada Data Sheet
VIEW

Data Sheet

TFP445_ES Technical Data Sheet – Spanish Translation (Spanish)

LFII Residential Sprinklers - TFP445 (Spanish) Concealed Horizontal Sidewall, Wet Pipe Systems, K-factor = 4.2

Spanish Data Sheet
VIEW

Data Sheet

TFP446_ES Technical Data Sheet - Spanish Translation (Spanish)

LFII Concealed Sprinklers - TFP446 (Spanish) 4.9 K-factor Concealed Pendent Sprinkler Flat Plate, Wet Pipe System

Spanish Data Sheet
VIEW

Revit File

TY-2324-50-520-1-160_Imperial (English)

LFII-C - TY2324 (Imperial)

English Revit File
VIEW

Revit File

TY-2324-50-520-1-160_Metric (English)

LFII-C - TY2324 (Metric)

English Revit File
VIEW

Revit File

TY-3596-Imperial (English)

LFII-C - TY3596 (Imperial)

English Revit File
VIEW

Revit File

TY-3596-Metric (English)

LFII-C - TY3596 (Metric)

English Revit File
VIEW

Revit File

TY-2234-Imperial (English)

LFII-C - TY2234 (Imperial)

English Revit File
VIEW

Revit File

TY-2234-Metric (English)

LFII-C - TY2234 (Metric)

English Revit File
VIEW

Revit File

TY-4234-Imperial (English)

LFII-C - TY4234 (Imperial)

English Revit File
VIEW

Revit File

TY-4234-Metric (English)

LFII-C - TY4234 (Metric)

English Revit File
VIEW

Data Sheet

TFP 446 Technical Data Sheet (English)

TFP 446 Technical Data Sheet

English Data Sheet
VIEW

Data Sheet

TFP446_FR Technical Data Sheet-French Translation (French)

LFII Concealed Sprinklers - TFP446 (French) 4.9 K-factor Concealed Pendent Sprinkler Flat Plate, Wet Pipe System

French Data Sheet
VIEW

Data Sheet

TFP448 Technical Data Sheet (English)

LFII Residential Sprinklers - TFP448 (English) Concealed Pendent Sprinkler Flat Plate, Wet Pipe System, K-factor = 5.8

English Data Sheet
VIEW

Installation Guide

TFP490 Series LFII Residential Sprinkler Design Guide (English)

Series LFII Residential Sprinkler Design Guide

English Installation Guide
VIEW
No resource found for selected filter

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