Reliable™ RA2865WH155 Product Description
Reliable™ Model RA2865 Horizontal Sidewall Fire Sprinkler Head
Sprinkler Identification Number (SIN): RA2865
This horizontal sidewall sprinkler features a White Polyester finish and a 155°F (68°C) temperature rating.
The Reliable™ Model RA2865 Horizontal Sidewall Fire Sprinkler is a quick response, extended coverage sprinkler, designed to activate at 155°F with a 5.6 K-Factor. It uses a glass bulb heat element, has a 1/2 in. NPT thread connection, and is constructed with a brass frame and brass deflector finished in corrosion-resistant white polyester.
RA2865 sidewall sprinklers are engineered to provide extended coverage from a wall-mounted position. The quick response functionality and rugged construction make it suitable for a wide variety of standard commercial and residential wet-pipe sprinkler systems.
Reliable™ RA2865 (RA2865WH155) Sprinkler Head Listings and Approvals
The RA2865WH155 is manufactured by Reliable™, a globally trusted provider of fire protection equipment. This sprinkler carries the following certifications:
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UL Listed
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cULus Listed
Note: FM Approval applies only to 135°F temperature versions of the RA2865 series. This 155°F model is not FM Approved.
Reliable™ RA2865 Sprinkler Installation and Accessories
Use the designated accessories during installation to ensure safe, code-compliant mounting in either recessed or exposed configurations. Follow Reliable™’s datasheet for mounting heights, deflector spacing, and escutcheon requirements.
Recessed Escutcheons:
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Model F1
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Model F2
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Model FP
Sprinkler Wrenches:
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Model W2 (non-recessed)
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Model W4 (recessed)
Tighten carefully using the approved wrench to avoid damaging the threads or sprinkler components.
Available Sprinklers
This horizontal sidewall sprinkler head is also available in:
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Finishes: Brass, Chrome
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Temperatures: 135°F (57°C), 175°F (79°C)

