Amerex Conduit Offset - 12507
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Wholesale PricingThe Amerex 12507 Conduit Offset is the OEM routing hardware for Amerex MRM (Mechanical Release Module), PRM (Pneumatic Release Module), and SRM (Secondary Release Module) fire suppression detection systems. In the tight confines of a commercial kitchen hood or industrial enclosure, rigid conduit runs cannot always be routed in a straight line. The 12507 offset fitting allows the detection cable conduit to navigate around obstructions, structural members, and equipment transitions while maintaining a grease-tight, protected cable run.
Proper conduit routing is a critical but often overlooked element of fire suppression system installation. A cable that runs unprotected through a grease-laden plenum is subject to aerosolized fat buildup that can carbonize and bind the detection cable over time. The Amerex 12507 ensures every bend and transition point in the conduit system is factory-rated hardware, maintaining the integrity of the mechanical release system from the detection line all the way to the control module.
This is an essential item on the fire equipment catalog for any contractor installing or servicing Amerex KP and IS systems. Using OEM conduit offset hardware ensures compatibility with standard Amerex conduit dimensions and preserves the UL 300 listed status of the complete assembly.
| Feature | Details |
|---|---|
| Manufacturer | Amerex Corporation |
| Part Number | 12507 |
| Application | Amerex MRM, PRM, and SRM systems |
| Function | Conduit routing offset for detection cable runs |
| Certifications | UL Listed, OEM Original |
Grease-Tight Routing
All conduit transitions in a commercial kitchen hood environment must remain grease-tight per NFPA 96. The 12507 offset fitting is designed to maintain a sealed conduit envelope around the 1/16 inch stainless steel cable, preventing grease from entering the conduit and binding the cable. Secure all fittings before threading the cable through during installation.
Cable Friction Considerations
Every offset introduces a potential friction point. When routing cable through the 12507, ensure the cable enters and exits the offset in as straight a line as possible to minimize friction against the conduit walls. Excessive bends accumulate friction losses that can prevent a clean mechanical release when the fusible link fire suppression system activates.
Compatibility Verification
The 12507 is rated for Amerex MRM, PRM, and SRM module systems only. Verify compatibility with your specific system's as-built drawings before installation. Using non-OEM conduit fittings can compromise the UL listing and create inspection deficiencies during fire safety equipment checks.
Can I use standard EMT conduit fittings instead of the 12507?
No. Standard electrical conduit fittings are not rated for fire suppression applications and are not compatible with Amerex conduit dimensions. Using non-OEM fittings voids the UL 300 listing and is a code violation under NFPA 17A and NFPA 96. The 12507 is the only approved offset for Amerex MRM, PRM, and SRM systems.
How many offsets can I use in a single detection run?
Each offset adds friction to the cable run. Consult the Amerex KP system manual for the maximum allowable friction coefficient for your specific system configuration. As a general rule, minimize the number of bends and offsets and verify total line tension after installation to confirm the mechanical release system is properly armed.
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