Reliable™ RA1564BR155 Product Description
Reliable™ Model DH56 Horizontal Sidewall Fire Sprinkler Head
Sprinkler Identification Number (SIN): RA1564
This horizontal sidewall sprinkler features a Brass finish and a 155°F (68°C) temperature rating.
The Reliable™ Model DH56 Horizontal Sidewall Fire Sprinkler is a quick response, extended coverage sprinkler with a K-factor of 5.6. This sprinkler features a heat-sensitive glass bulb, a 1/2 in. NPT connection, and a bronze frame with brass deflector. It is designed for standard or recessed installations in sidewall applications.
This is a quick response, extended coverage, horizontal sidewall sprinkler rated for a maximum working pressure of 250 PSI. It activates at 155°F and installs with Reliable™’s approved trim options and wrenches for exposed or concealed configurations.
Reliable™ Horizontal Sidewall Sprinkler (RA1564) Listings and Approvals
Each sprinkler head is manufactured by Reliable™, an established leader in fire protection components. When properly installed, the RA1564BR155 is approved by the following agencies:
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UL Listed
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cULus Listed
Note: Always refer to the data sheet for installation-specific requirements and approval details based on configuration and trim.
Reliable™ RA1564BR155 Technical Specifications
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Model: DH56
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Type: Horizontal Sidewall
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K-Factor: 5.6K
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Temperature Rating: 155°F (68°C)
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Finish: Brass
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Finish Detail: Bronze
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Connection Size: 1/2 in.
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Thread Type: NPT
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Response Type: Quick Response (QR)
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Heat Element: Glass Bulb
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Coverage: Extended Coverage
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Maximum Working Pressure: 250 PSI
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Material: Brass Frame, Brass Deflector
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Corrosion Resistant: No
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Listings: UL, cULus
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Country of Origin: USA
Installation Tools and Accessories
For proper installation and servicing, use the following Reliable™-approved accessories:
Recessed Escutcheons:
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Model F2
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Model FP
Concealed Cover Plate:
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Model SWC
Sprinkler Wrenches:
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Model W2 (for exposed installations)
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Model W4 (for recessed or concealed installations)
Available Sprinklers
The RA1564 Horizontal Sidewall sprinkler is also available in the following configurations:
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Chrome Finish | 155°F
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White Finish | 155°F
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Brass Finish | 200°F
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Chrome Finish | 200°F
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White Finish | 200°F
