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The System Sensor HCRL-LF L-Series Indoor Low Frequency Sounder in red is engineered by Honeywell International for optimal performance. This device meets the stringent requirements for fire safety notifications in sleeping areas as outlined by NFPA 72, operating within a 520 Hz frequency range with a square wave tone.
This sounder is part of the versatile L-Series, known for its easy installation and application flexibility. It can be adjusted to several candela settings and supports 24-volt operation.
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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