Reliable® G1 Cover Plate | White | 165F | 3-5/16 in. OD | CG11W

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Reliable® G1 Cover Plate | White | 165F | QRFS | Hero

Reliable® G1 Cover Plate | White | 165F | QRFS | Hero
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Reliable® G1 Cover Plate | White | 165F | QRFS | Label
Reliable® G1 Cover Plate | White | 165F | QRFS | Family

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Reliable® G1 Cover Plate | White | 165F | QRFS | Hero
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Reliable G1 Fire Sprinkler Cover Plate

Reliable/RASCO G1 White Fire Sprinkler Cover Plate with 165F (74C) activation temperature. This fire sprinkler cover works with certain Reliable/RASCO concealed pendent fire sprinklers.  The G1 cover facilitates timely activation of these Reliable concealed fire sprinkler heads with a temperature rating of 135F (57C) or 165F (74C). The outer diameter of this cover is 3-5/16 in.

The Reliable G1 cover plate is a concealed cover plate used with compatible pendent sprinklers.  It provides push-on connection into the sprinklers cup. This cover plate is available in three finishes. These finishes include White, Chrome, and Bronze. 

Reliable/RASCO G1 Cover Plate Sprinkler Head Compatibility and Listings

This Sprinkler Head Cover Plate from Reliable may be listed by UL, FM, and/or other organizations depending on the sprinkler it’s being used with. It meets the requirements of a sprinkler assembly per NFPA 13, where approved by the local Authority Having Jurisdiction. It installs by simply pushing the cover into the sprinkler’s frame. The recommended hole diameter when installing sprinkler heads using this cover is 2-3/8 in.

To remove your existing cover plate, gently twist the cover to the left while applying downward pressure by pulling gently as you turn.

When this fire sprinkler cover plate reaches its specified temperature of 135F (57C) or 165F (74C), the solder holding the plate's decorative exterior on the frame melts, and the two separate. For many cover plates, the rated temperature is at least 20F (6.7C) cooler than the sprinkler head's activation temperature, which ensures that the cover plate detaches early enough to allow the sprinkler to activate on time. However, each manufacturer's product line varies slightly, and cover plate temperatures may be closer to or further away from the fire sprinkler's activation temperature. Use only the cover plate approved by the manufacturer for your specific sprinkler.

Reliable G1 Cover Plate Finishes, Temperatures, and Listed Accessories

This Reliable G1 fire sprinkler cover is currently available in White, Chrome, and Bronze. It is available in two temperatures: 135F (57C) or 165F (74C). You can choose from all the available options by selecting from the dropdown at the top of the page. Find all related products in the Frequently Bought Together section above.

This Sprinkler Cover Plate fits the following Reliable concealed sprinkler heads:

  • R1511
  • R1512
  • R1513
  • R1515
  • R1518
Manufacturer Part Number:
Installation Type:
Push On
Outer Diameter:
3-5/16 in.
Inner Diameter:
2-3/8 in.
Finish Detail:
165F (74C)
Corrosion Resistant:
UL Listed:
FM Approved:
3.31 in. (84.07 mm)
3.31 in. (84.07 mm)
1.4 in. (35.56 mm)
0.34 lb. (0.15 kg)
Box/Pack Quantity:
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