Reliable™ A2131134S8 Product Description
Reliable™ Model F1-80 Pendent Fire Sprinkler Head
Sprinkler Identification Number (SIN): RA6212
This pendent sprinkler features a Brass (Bronze) finish and is designed to activate at 135°F (57°C).
The Reliable™ Model F1-80 is a Standard Response, Standard Coverage pendent sprinkler with a high-capacity 8.0 K-Factor. Designed for commercial and industrial fire suppression systems, it delivers rapid water distribution to control fires early and effectively. Each RA6212 sprinkler includes a heat-sensitive glass bulb, 3/4 in. NPT male threads, and is constructed with a Brass frame and Brass deflector for lasting performance.
This 135°F model is well-suited for cooler environments or where early activation is critical. It operates in wet pipe systems and is approved for use at up to 250 PSI (UL) or 175 PSI (FM) working pressure.
Reliable™ RA6212 Pendent Fire Sprinkler Listings and Approvals
Manufactured by Reliable™, a global leader in fire protection, this RA6212 model is certified to the following standards:
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UL Listed
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FM Approved
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cULus Listed
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LPCB
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VdS
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CE
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UKCA
It complies with the design and performance standards of NFPA 13, making it suitable for pendent installations in light- and ordinary-hazard applications.
Reliable™ RA6212 Installation & Accessories
This sprinkler connects using 3/4 in. NPT threads and supports the following tools and accessories:
Sprinkler Wrenches:
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Model W2 – For standard pendent installation
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Model W4 – For recessed installation
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Model W14 – For use with protective guard
Recessed Escutcheons (for 135°F models):
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Model F1 – cULus Listed
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Model F2 – cULus, FM Listed
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Model FP – cULus Listed
Guards & Shields:
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F-2 Guard – FM Approved
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F-6 Guard/Shield Kit – FM Approved
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F-7 Guard – cULus Listed
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F-8 Guard/Shield Kit – cULus Listed
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S-2 Shield – cULus, FM Listed
Refer to the Reliable™ RA6212 datasheet for torque specifications and installation requirements.
Available Sprinkler Options
This 135°F Brass model is part of the RA6212 series, which is available in multiple finishes and temperatures to meet different system design needs. Additional configurations include Chrome and White finishes and temperature ratings up to 286°F.

