Viking® VK4840 Sidewall Lead Free Sprinkler | Residential | 4.2K | Brass | 175F | 16881AD

SKU:
VK4840BR175
Manufacturer Part Number:
16881AD

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Viking® VK4840 Sidewall Lead Free Sprinkler | Residential | 4.2K | Brass | 175F | 16881AD | QRFS | Hero

Viking® VK4840 Sidewall Lead Free Sprinkler | Residential | 4.2K | Brass | 175F | 16881AD | QRFS | Hero
Viking® VK4840 Sidewall Lead Free Sprinkler | Residential | 4.2K | Brass | 175F | 16881AD | QRFS | Side
Viking® VK4840 Sidewall Lead Free Sprinkler | Residential | 4.2K | Brass | 175F | 16881AD | QRFS | Family
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Viking® VK4840 Sidewall Lead Free Sprinkler | Residential | 4.2K | Brass | 175F | 16881AD | QRFS | Hero
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Overview

Viking Freedom Residential Sidewall Lead Free 4.2 K-Factor (VK4840) Fire Sprinkler Head

This Viking Freedom Residential Lead Free Horizontal Sidewall Fire Sprinkler features a glass bulb activating at 175F (79C) with a 4.2 K-Factor, and 1/2 in. NPT threads. Each sidewall head features a brass frame and brass deflector. The Sprinkler Identification Number (SIN) is VK4840. This is a residential response, standard coverage sprinkler with a maximum working water pressure of 175 PSI.

The VK4840 lead free sidewall sprinkler delivers effective, affordable defense against fire in residential occupancies. Using a heat-activated glass bulb assembly, this automatic fire sprinkler opens when ambient temperatures reach 175F (79C), drenching the area surrounding a fire to keep it in its place of origin. For recessed application, refer to data sheet for installation instructions with the approved Viking escutcheon(s).

Viking Lead Free Sidewall Fire Sprinkler Freedom (VK4840) Sprinkler Head Listings and Approvals

Each Freedom lead free sprinkler is made by Viking, a global leader in fire protection manufacturing for nearly 100 years. When installed properly, this fire sprinkler head maintains listings and approvals from cULus (Category VKKW). Refer to the datasheet for listings and approvals in specific temperatures and/or applications.

This lead free sidewall sprinkler head has a maximum working pressure of 175 PSI (12.1 BAR) UL and connects to wet piping systems.

Viking Freedom (VK4840) 4.2K Lead Free Horizontal Sidewall Sprinkler 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 residential lead free sidewall fire sprinkler features a brass finish and a 175F (79C) temperature. Available finish options include Brass, Chrome, White, and Black. White Polyester Painted (White), and Flat Black Polyester Painted (Black) are UL Listed as corrosion resistant. Temperature options include 155F (68C) and 175F (79C). Finish and temperature combinations available in the “Options” section at the top of this product page.

The VK4840 listed accessories include the approved Viking Wrench (part no. 21475M/B), Viking Recessed Wrench (part no. 13655W/B), and the approved Viking Escutcheon(s). 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:
VK4840BR175
Manufacturer Part Number:
16881AD
Manufacturer:
Viking
SIN:
VK4840
Model:
Freedom Lead Free
Head Type:
Sidewall
Finish:
Brass
Finish Detail:
Brass
Size:
1/2 in.
Size Detail:
1/2 in. NPT Sprinkler
K Factor:
4.2K
Response Type:
Residential
Temperature:
175F
Heat Element:
Glass Bulb
Coverage:
Standard Coverage
Material:
Brass Frame, Brass Deflector
Corrosion Resistant:
No
May Contain Lead:
No
UL Listed:
Yes
FM Approved:
No
Maximum Working Water Pressure:
175 PSI
Escutcheon Type:
Recessed or Surface Mounted or Vaulted/Sloped
Length:
3 in. (76.2 mm)
Width:
1.5 in. (38.1 mm)
Height:
1.35 in. (34.29 mm)
Weight:
1 lb. (0.45 kg)
Available Box/Pack Quantity:
50
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