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These are Potter Roemer Fire Rated Buena Style Fire Dept. Valve Cabinets configured for Trimlessmount. The cabinet is designed to accommodate a 2-1/2 inch angled Fire Dept. Valve (not supplied).
The FRC cabinets are covered by an external steel fire protection box with a layer of fire-rated insulation material. Cabinet is UL Classified per the standard for UL 1479 - Penetration Firestop Systems. UL File no. R15411; Fire Rating: 2 Hours.
SPECIAL INSTALLATION INSTRUCTIONS FOR TRIMLESS CABINETSTrimless cabinets MUST BE installed PRIOR to finished wall surface. The trimless frame will be drywalled over (5/8 inch or 15.875 mm thickness recommended) to effect a finished surface. Only the door and hinge will be visible after wall is finished.
The internal BOX is cold rolled steel. It is covered with a layer of fire rated insulation material and an external steel fire protection box. The DOOR is a Full Acrylic Panel. Box is nominal 18 x 18 x 8-3/4 inches (H x W x D; 457.2 x 457.2 x 222.3 mm).
Model FRC8121 features Steel FRAME (cold rolled steel with recoatable white polyester finish)
Model FRC8141 features Aluminum FRAME (clear anodized finish)
Model FRC8161 features Stainless Steel FRAME (#304 with #4 finish)
Model FRC8181 features Brass FRAME (polished finish, clear polyester coat)