Senju® SS4421 Pendent Sprinkler | Residential | 4.2K | Brown | 162F | 001-0141

SKU:
SS4421DB162
Manufacturer Part Number:
001-0141

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$26.75
Senju SS4421 Brown 162F Residential Pendent 001-0141 Hero Image | QRFS
Senju SS4421 Brown 162F Residential Pendent 001-0141 Deflector Image | QRFS
Senju SS4421 Brown 162F Residential Pendent 001-0141 Accessories Image | QRFS
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Overview

Senju ZN-RES (SS4421) Residential Flush Pendent Sprinkler Head

This Senju Model ZN-RES Residential Brown Flush Pendent Fire Sprinkler features a fusible link activating at 162F (72C) with a 4.2 K-Factor, and 1/2 in. NPT threads. Each flush fire sprinkler head features a Bronze Frame and Copper Alloy Body. The frame and cover of the sprinkler hide the deflector and valve, allowing for optimal aesthetics within residential settings. The manufacturer part number is 001-0141 and the Sprinkler Identification Number (SIN) is SS4421.

The Model ZN-RES Residential Sprinkler delivers decorative, affordable defense against fire and is designed for use in residential occupancies such as homes, apartments, dormitories, and hotels. Using a heat-activated fusible metal assembly, this automatic fire sprinkler opens when ambient temperatures reach 162F (72C), drenching the area surrounding a fire to keep it in its place of origin. This model has a 4.2 K-factor, enabling smaller pipe sizes and water supply in a residential fire sprinkler system.

Senju ZN-RES (SS4421) Residential Flush Pendent Sprinkler Listings and Approvals

Each ZN-RES sprinkler is made by Senju, Japan's largest manufacturer of fire-suppression products. This residential flush pendent fire sprinkler head maintains UL Listing.

The SS4421 is a residential sprinkler and is cULus listed for use when installed in accordance with NFPA 13 requirements for wet pipe sprinkler systems and designed for use in residential occupancies. This Pendent sprinkler head has a maximum working pressure of 175 PSI (12.1 BAR) UL Listed and connects to ceiling wet piping systems.

Senju ZN-RES (SS4421) Residential Pendent Fire Sprinkler Head Installation and Other Information

During installation be aware that over tightening will cause permanent damage to the 1/2 in. NPT threads and/or the fire sprinklers themselves. Use the manufacturer approved installation wrench and tighten to a maximum torque of 14 ft-lb (19 N-m). Refer to the data sheet for additional storage and installation information.

This flush pendent sprinkler features a brown finish and a 162F (72C) temperature. Available finish options include White, Black, Brown, and Chrome. Temperature options include 162F (72C) and 175F (79C). Finish and temperature combinations available in the “Options” section at the top of this product page.

SS4421 listed accessories include the VC-H socket wrench, manufacturer part number (90000-003-0300), the ZN-RES escutcheon, manufacturer part number (90000-004-0130), and the ZN/CN Cap Removal tool, manufacturer part number (90000-003-2000). This sprinkler head is commonly purchased with fire sprinkler head cabinets and sprinkler shut off tools. These products are available in the “Frequently bought together” products section at the top of this product page.

Specifications

QRFS SKU:
SS4421DB162
Manufacturer Part Number:
001-0141
Manufacturer:
Senju
SIN:
SS4421
Model:
ZN-RES
Head Type:
Pendent
Finish:
Brown
Finish Detail:
Dark Brown Painted
Size:
1/2 in.
Size Detail:
1/2 in. NPT Sprinkler
K Factor:
4.2K
Response Type:
Residential
Temperature:
162F
Heat Element:
Fusible Link
Material:
Copper Alloy Body, Bronze Frame
Corrosion Resistant:
No
May Contain Lead:
Yes
UL Listed:
Yes
FM Approved:
No
Maximum Working Water Pressure:
175 PSI
Escutcheon Type:
Flush
Length:
1.38 in. (35.05 mm)
Width:
1.38 in. (35.05 mm)
Height:
2.44 in. (61.98 mm)
Weight:
0.18 lb. (0.08 kg)
Box/Pack Quantity:
100

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