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3.

Maintenance

Model G6-56 Concealed Sprinklers should be inspected 

and maintained in accordance with NFPA 25.  Do not clean 
sprinklers with soap and water, ammonia or any other clean-
ing fluids.  Remove dust by using a soft brush or gentle 
vacuuming.  Replace any sprinkler or cover plate assem-
bly, which has been painted (other than factory applied) or 
damaged in any way.  A stock of spare sprinklers should be 
maintained to allow quick replacement of damaged or op-
erated sprinklers.  Prior to installation, sprinklers should be 
maintained in their original cartons and packaging until used 
to minimize the potential for damage to sprinklers that would 
cause improper operation or non-operation.

Model G6-56 Concealed Quick Response
Sidewall Standard Spray Sprinkler

Sprinklers shall be a cULus Listed quick-response stan-

dard spray sidewall sprinkler with G6-56 deflector and ad-
justable cover plate for interior, non-corrosive applications.  
Sprinklers to be of bronze frame construction with brass 
cover plate and copper alloy retainer flange assembly. Wa-
ter seal assembly shall consist of a Teflon* coated Belleville 
spring washer and machined brass cup containing no plas-
tic parts. Method of attaching the cover plate to the sprin-
kler cup shall be a push-on and pull-off design allowing a 
¼” cover plate adjustment.  Sprinklers shall have a nominal 
K-factor of 5.6 (80 metric), and ½” NPT thread.  Sprinkler 
temperature rating shall be 165°F (74°C) with a cover plate 
temperature rating of 135°F (57°C).  Rated working pres-
sure shall be 175 psi (12,0 bar).  A plastic protective cap 
shall be provided and factory installed inside the sprinkler 
cup to protect the sprinkler from damage, which could oc-
cur during construction before the cover plate is installed.  
Standard cover plate finish: [White] [Chrome] [Custom Fin-
ish – specify]. Concealed quick response sidewall standard 
spray sprinklers shall be Reliable Model G6-56. SIN RA5035 
(Bulletin 050).

Ordering Information

Specify:

1. Model G6-56 Sidewall Concealer

™ 

2.  Cover Plate Type: Solid or Perforated
3.  Cover Plate Finish

Installation Wrench

Model G6 Sprinkler Wrench

Installation Aid

A protective plastic cap is included for use during instal-
lation. 

Cover Plate Finishes

(1)

Standard Finishes

White Paint

Chrome

Special Application Finishes

Bronze
Black Paint
Flat White Paint

(1)

 Other colors and finishes are available.  Consult factory for details.

Note:

 Paint or any other coatings applied over the factory 

finish will void all approvals and warranties.

*DuPont Registered Trademark

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