Reliable R5734 Quick Response (QR) Standard Coverage Dry Horizontal Sidewall (F3QR56) Fire Sprinkler Head
The Reliable R5734 Quick Response (QR) Dry Horizontal Sidewall Fire Sprinkler features a glass bulb rated at 200F, a 5.6 K-Factor, and 1 in. NPT threads. Each sprinkler head is constructed with a Brass Frame and Bronze Deflector, finished in White, and identified by Sprinkler Identification Number (SIN) R5734. Built for standard coverage applications, this model is UL Listed and supports a maximum working water pressure of 175 PSI.
The F3QR56 Dry Horizontal Sidewall sprinkler activates automatically when ambient air temperatures reach 200F. Once activated, it discharges water laterally across the protected area, suppressing flames at their origin and helping to prevent the spread of fire.
Reliable R5734 Quick Response (QR) Dry Horizontal Sidewall (F3QR56) Listings and Approvals
Manufactured in the USA by Reliable, a global leader in fire sprinkler technology, the R5734 Dry Horizontal Sidewall sprinkler is UL Listed. For details regarding listings and approvals for specific applications, consult the manufacturer’s datasheet.
This sprinkler is engineered for dependable operation and uniform water distribution. With its White finish and Recessed Escutcheon, the R5734 provides durability along with a clean installation appearance. Designed for dry pipe systems, it installs easily for both replacement and new construction projects.
Reliable R5734 (F3QR56) Dry Horizontal Sidewall Installation and Other Information
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Care:
Handle with care to avoid damaging the 1 in. NPT threads or glass bulb. Do not install if the sprinkler shows any signs of damage. Store in a clean, dry location before installation. Always follow the manufacturer’s datasheet for handling, storage, and installation instructions to ensure compliance with safety standards. -
Temperature
This Quick Response Dry Horizontal Sidewall sprinkler activates at 200F. For other temperature ratings, please contact our Customer Support Team. -
Accessories
The Reliable R5734 is supplied with a Recessed Escutcheon. For alternative escutcheon types or additional accessories, please contact our Customer Support Team.

