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 activating at 200F with a 5.6 K-Factor and 1 in. NPT threads. Each sprinkler head includes a Brass Frame and Bronze Deflector, finished in White, with the Sprinkler Identification Number (SIN) R5734. Designed 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 provides dependable protection by discharging water laterally when ambient air temperatures reach 200F. Its sidewall orientation helps contain flames at their origin, providing quick suppression and effective coverage.
Reliable R5734 Quick Response (QR) Dry Horizontal Sidewall (F3QR56) Listings and Approvals
Manufactured in the USA by Reliable, a global leader in fire protection products, the R5734 Dry Horizontal Sidewall sprinkler is UL Listed. For full details regarding listings and approvals in specific applications, please consult the manufacturer’s datasheet.
This sprinkler is engineered for consistent activation and reliable performance, ensuring uniform water distribution during emergencies. With its White finish and Recessed Escutcheon, the R5734 combines durability with a clean installation appearance. Built for dry pipe systems, it installs easily for both new construction and replacement projects.
Reliable R5734 (F3QR56) Dry Horizontal Sidewall Installation and Other Information
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Care:
Handle carefully to avoid damage to the 1 in. NPT threads or glass bulb. Do not install if the sprinkler shows any sign of damage. Store in a clean, dry environment until installation. Always follow the manufacturer’s datasheet for handling, storage, and installation guidelines to ensure compliance with safety standards. -
Temperature
This Quick Response Dry Horizontal Sidewall sprinkler activates at 200F. For additional temperature ratings, please contact our Customer Support Team. -
Accessories
The Reliable R5734 is supplied with a Recessed Escutcheon. For other escutcheon options or accessories, please contact our Customer Support Team.

