FR-QR Horizontal Sidewall Sprinkler (SS2553) 162°F, QR, 5.6K, Brass - Head Only

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Approvals UL, FM

K-Factor 5.6 (80.6)

Thread Size 1/2” NPT 

Maximum Working Pressure 175psi (12.1 bar)  

Response Quick  

Coverage Standard  

Temperature Rating 162°F/72°C  

Overall Length 2-37/64" (65.4mm)  

Vertical Adjustment 

1/2 inch (12.7mm) with D1 Recessed Escutcheon*, or 
3/4 inch (19.1mm) with D2 Recessed Escutcheon (approved by UL only).  

Color Brass 

*Due to FM Approval Standard 3.2.13 by Class Number 2000, use in combination with a sprinkler head rated higher than 255°F is not approved by FM.

  • Designed for use in light and ordinary hazard commercial occupancy
  • Laser etched lot on frame
  • Solder link type makes it more durable than glass bulb sprinklers

Download Datasheet

 WARNING: Cancer and Reproductive Harm

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