Amerex Low Pressure Module for PRM - 17484
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Wholesale PricingThe Amerex 17484 Low Pressure Module is an OEM component for the Amerex PRM (Pneumatic Release Module) fire suppression system. The PRM platform uses pressurized gas to actuate agent cylinder valves, and the low pressure module serves as the pressure-sensing interface that monitors the pneumatic actuation line for loss-of-pressure conditions. When actuation line pressure drops below the calibrated threshold — whether due to a fusible link separation, a manual pull station activation, or a line leak — the 17484 module triggers the system response sequence.
This component is a critical fire suppression system part for any Amerex KP or IS installation using PRM-based actuation. Unlike mechanical release systems that rely on cable tension, the PRM platform uses pneumatic pressure as its detection and actuation signal, making the low pressure module the functional equivalent of the spring-loaded release mechanism in the MRM. Keeping the 17484 in your fire suppression supply inventory ensures rapid replacement when a pressure module shows degradation during semi-annual NFPA 17A inspections.
For fire protection contractors servicing Amerex pneumatic systems, the 17484 is a specialized fire suppression system component that requires installation per the Amerex KP system manual. Only technicians trained on Amerex PRM systems should install or replace this module to ensure correct pressure calibration and UL 300 compliance.
| Feature | Details |
|---|---|
| Manufacturer | Amerex Corporation |
| Part Number | 17484 |
| Module Type | Low Pressure Module |
| System Compatibility | Amerex PRM (Pneumatic Release Module) systems |
| Function | Pneumatic actuation line pressure sensing and release trigger |
| Certifications | UL Listed, OEM Original |
Semi-Annual Pressure Verification
Under NFPA 17A, pneumatic detection line integrity must be verified at every semi-annual inspection. The 17484 low pressure module must be checked for correct pressure threshold response. Any module that fails to trigger at the calibrated pressure must be replaced immediately — a module that trips too early causes nuisance discharges, while one that trips too late can allow a fire to grow unchecked before system activation.
Line Integrity Check
Before testing the 17484, inspect the full pneumatic actuation line for micro-leaks, kinked tubing, or loose fittings. A line leak upstream of the module can cause a premature pressure drop that triggers a false discharge. All connections must be verified gas-tight before the system is re-armed after any service event.
Replacement Protocol
Replace the 17484 if it shows signs of corrosion, physical damage, or if it fails the functional pressure test during fire suppression system maintenance. Document the replacement in the fire suppression system inspection record and update the service label before returning the system to service.
Is the 17484 compatible with MRM-based systems?
No. The 17484 is specifically designed for the Amerex PRM pneumatic release platform. MRM-based systems use mechanical cable tension rather than pneumatic pressure and require different components. Always verify system type before ordering replacement fire suppression system parts.
Can I adjust the pressure threshold on the 17484?
No. The low pressure module is factory-calibrated to the Amerex PRM system specification. Field adjustment is not permitted and would void the UL 300 listing. If the trigger threshold appears incorrect, replace the module with a new OEM 17484 rather than attempting calibration.
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