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 manufactured with a Brass Frame and Bronze Deflector, finished in Brass, and identified by Sprinkler Identification Number (SIN) R5734. Designed for standard coverage, this model is UL Listed and supports a maximum working water pressure of 175 PSI.
The F3QR56 Dry Horizontal Sidewall sprinkler activates when ambient air temperatures reach 200F, releasing water laterally to control flames at their source and provide effective coverage of the hazard area.
Reliable R5734 Quick Response (QR) Dry Horizontal Sidewall (F3QR56) Listings and Approvals
Manufactured in the USA by Reliable, a trusted name in fire protection, the R5734 Dry Horizontal Sidewall sprinkler is UL Listed. For detailed listings and approvals related to specific applications, consult the manufacturer’s datasheet.
This sprinkler is engineered for dependable performance and uniform water distribution. With its Brass finish and Recessed Escutcheon, the R5734 combines durability with a clean installation appearance. Built for dry pipe systems, it installs quickly and efficiently in both replacement projects and new system builds.
Reliable R5734 (F3QR56) Dry Horizontal Sidewall Installation and Other Information
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Care:
Handle carefully to avoid damaging the 1 in. NPT threads or glass bulb. Do not install if the sprinkler shows signs of damage. Store in a clean, dry location until installation. Always follow the manufacturer’s datasheet for storage, handling, and installation requirements to ensure compliance with safety standards. -
Temperature
This Quick Response Dry Horizontal Sidewall sprinkler activates at 200F. For other available temperature ratings, please contact our Customer Support Team. -
Accessories
The Reliable R5734 is supplied with a Recessed Escutcheon. For alternative escutcheon types or accessories, please contact our Customer Support Team.

