The Grinnell TFX Fire Alarm Power Supply Battery Charger Autocall TFX Simplex is a reliable and efficient product designed specifically for fire alarms. Manufactured by Simplex, this model (Grinnell TFX RPS-424) ensures a consistent power supply for fire protection systems, providing peace of mind to businesses and industrial facilities. With its specialized design and quality construction, this fire alarm power supply battery charger. Was tested and works perfect
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