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The low frequency sounder and low frequency sounder strobes were designed to address the NFPA 72 sleeping space requirements that require a low frequency notification appliance that operates within frequency range of 520 Hz ± 10% and is of a square wave tone
The Silent Knight SK-HEAT-ROR-W is a heat detector with rate-of-rise and fixed thermal detection
Mounts To 4In
and light steady red on alarm
RSG DH24120GPC1 Chrome Single Door Holder SGRKLED The low frequency sounder andRSG DH24120GPC1 Chrome Ground Single Door Holder
US$ 30.36
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US$ 34.00
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US$ 42.00
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US$ 55.00
US$ 35.00
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US$ 90.00
US$ 19.17