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The SAFETY TECHNOLOGY INT'L INC STI-1285 is a replacement backplate designed to work with STI-9705S and STI-9708S fire alarm accessory devices. The backplate provides the mounting base that secures the device housing to a wall or surface, keeping components properly positioned and protected. It is a direct-fit accessory intended for fire system maintenance and service work. Fire alarm technicians and life safety installers use this part during device replacement, panel servicing, or enclosure repair on compatible STI units.
This backplate fits within fire alarm and life safety system installations where STI-9705S or STI-9708S devices are deployed. Typical applications include commercial and light industrial buildings where surface-mounted fire alarm accessories require periodic hardware replacement. When the original backplate is damaged, corroded, or missing during a service call, this part restores the proper mounting configuration for the host device.
Designed as a direct-fit replacement backplate for use with STI-9705S and STI-9708S fire alarm accessory devices.
Installation should be performed by a licensed fire alarm technician in accordance with applicable local codes and NFPA standards. De-energize the associated circuit and follow lockout/tagout procedures before disassembling any fire alarm device. Verify proper alignment of the backplate to the mounting surface before securing fasteners. Do not modify the backplate or force components that do not seat correctly, as improper mounting can compromise the device enclosure integrity.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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