Simplex 2975-9178 Pull Station Back Box – Surface-Mount Enclosure
The Simplex 2975-9178 is a durable surface-mount back box designed to house Simplex pull stations securely. Engineered for both new installations and retrofit projects, this enclosure provides a professional mounting solution for compatible manual fire alarm pull stations.
With its solid metal construction and standard dimensions, the Simplex 2975-9178 ensures a clean, code-compliant installation in any fire alarm system.
Key Features of the Simplex 2975-9178
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Designed for use with Simplex pull stations
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Rugged metal construction
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Surface-mount enclosure
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Provides secure, tamper-resistant installation
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Factory-manufactured by Simplex for guaranteed compatibility
Whether you’re installing in a school, office, or industrial setting, this back box offers a reliable foundation for manual pull station placement.
Compatible Applications
The Simplex 2975-9178 Pull Station Back Box is commonly used in:
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Fire alarm upgrades and retrofits
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New building construction
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Schools, hospitals, and commercial buildings
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Any environment requiring surface-mounted pull stations
Because it’s purpose-built, it maintains proper alignment and spacing for fire system compliance.
Installation Made Easy
The back box mounts directly to flat surfaces and accepts wiring through pre-drilled conduit knockouts. Its compact design allows for a neat appearance, even in exposed installations. Additionally, the sturdy enclosure helps protect wiring and components over time.
Why Choose the 2975-9178 Back Box?
Choose the Simplex 2975-9178 for dependable, easy installation of your Simplex pull stations. It offers safety, durability, and a clean finish for any fire alarm project.



