Simplex 49WPBB-SVWR Weatherproof Back Box is a red, wall-surface-mounted enclosure designed to house Simplex S/V wall-mount notification appliances in weatherproof installations. This back box provides weatherproof protection for surface-mounted S/V devices and is intended to be paired with the mounting plate 49MP-SVWR to form a complete wall-mount solution. Used in fire alarm systems to mount speaker/visual notification components on walls, the 49WPBB-SVWR is red to indicate fire alarm equipment and aligns with the Simplex weatherproof back-box family.
