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 is equipped with a glass bulb activating at 155F, a 5.6 K-Factor, and 1 in. NPT threads. Each unit is built with a Brass Frame and Bronze Deflector, finished in Chrome, and carries the 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 provides dependable fire suppression by discharging water laterally when ambient air temperatures reach 155F. This sidewall design allows coverage across the hazard area, helping to contain fire at its point of origin.
Reliable R5734 Quick Response (QR) Dry Horizontal Sidewall (F3QR56) Listings and Approvals
Manufactured in the USA by Reliable, a recognized leader in fire protection systems, the R5734 Dry Horizontal Sidewall sprinkler is UL Listed. For full details regarding listings and approvals for specific applications, refer to the manufacturer’s datasheet.
Engineered for consistent activation and uniform distribution, this sprinkler combines performance with professional appearance. With its Chrome finish and Recessed Escutcheon, the R5734 integrates seamlessly into dry pipe system installations. It installs easily for both new systems and replacements.
Reliable R5734 (F3QR56) Dry Horizontal Sidewall Installation and Other Information
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Care:
Handle with care to prevent damage to the 1 in. NPT threads or the glass bulb. Do not install if the unit is damaged. Store in a clean, dry environment before installation. Always follow the manufacturer’s datasheet for handling, storage, and installation requirements. -
Temperature
This Quick Response Dry Horizontal Sidewall sprinkler activates at 155F. For other temperature ratings, please contact our Customer Support Team. -
Accessories
The Reliable R5734 is supplied with a Recessed Escutcheon. For additional escutcheon options or accessories, please contact our Customer Support Team.

