The JL Industries Crownline 8439S21 is a surface-mounted stainless steel cabinet for a single fire department valve on a standpipe system, made in the USA. The #4 brushed stainless construction suits premium lobbies, health-care, and food-service interiors where finish and cleanability matter. It bolts to the wall face with no wall cavity required, making it the right choice for stairwells, masonry walls, and retrofit locations. The solid stainless door has a pull handle, roller catch, and a continuous hinge that opens 180 degrees.
Specifications
| Model | Crownline 8439S21 |
| Holds | Fire department valve |
| Mounting | Surface-mount, rolled edge |
| Tub interior (W×H×D) | 18 in × 18 in × 10 in |
| Overall (W×H×D) | 21-1/8 in × 21-3/16 in × 10-1/2 in |
| Piping openings | Field-cut during installation (surface-mount cabinets are not pre-punched) |
| Material / finish | #4 brushed stainless steel |
| Door | Solid stainless, pull handle, 180° continuous hinge |
| ADA projection | Surface-mount, projects more than 4 in |
| Country of Origin | USA |
What fits
The deep 10 in tub houses a standard fire department valve with room to operate the handwheel. Standpipe hose connections and their locations are governed by NFPA 14 and the local fire code; confirm valve placement with your fire-protection engineer or AHJ. Browse all fire hose and valve cabinets to match material and configuration.
Documents and downloads
For specification and installation: the manufacturer's Crownline stainless series submittal (PDF). Need a project-specific submittal filled out? Send us the project details with a quote request.