Reliable™ R1427BR135 Product Description
Reliable™ Model G Upright Intermediate Fire Sprinkler Head
Sprinkler Identification Number (SIN): R1427
This Upright sprinkler features a Brass finish and a 135°F (57°C) temperature.
This Reliable™ Model G Upright Intermediate Fire Sprinkler is a standard response, standard coverage sprinkler, activating at 135°F with an 8.0 K-Factor. Each upright head features a fusible link heat element, Standard 3/4 in. NPT threads, and a brass frame with brass deflector.
This is a standard response, standard coverage, upright sprinkler with a maximum working water pressure of 175 PSI. Using a fusible link, this automatic fire sprinkler opens when ambient temperatures reach 135°F.
The R1427 is installed in the upright position. Refer to the manufacturer data sheet for installation instructions and orientation-specific limitations.
Reliable™ Upright Fire Sprinkler (R1427) Sprinkler Head Listings and Approvals
Each sprinkler head is made by Reliable™, a manufacturer with a long-standing history of fire protection solutions. When installed properly, this R1427 maintains the following listings and approvals: UL Listed and FM Approved.
The Reliable™ Upright Sprinkler R1427 is designed for NFPA 13. Apply the listed areas of coverage and minimum water supply requirements as shown in the datasheet. This Upright sprinkler head has a maximum working pressure of 175 PSI (12.1 BAR) and connects to wet pipe fire protection systems.
Reliable™ R1427 Automatic Fire Sprinkler Installation and Accessories
During installation, be aware that over-tightening may cause permanent damage to the 3/4 in. NPT threads and/or the fire sprinkler itself. Use the manufacturer-approved installation wrench and tighten according to the specifications provided in the data sheet.
Listed R1427 Accessories include:
Guards and Shields:
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Factory Water Shield (cULus, FM)
Sprinkler Wrench:
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Model W2
Available Sprinklers in R1427 Family
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Brass, 135°F
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Brass, 165°F
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Brass, 212°F
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Brass, 286°F

