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Johnson Controls T-4000-3139 SF 13/01 Dual telephone line voltage detect

$50.95

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Dual telephone line voltage detect

The RRS-MOD also synchronizes i3 sounder output to ensure a clear audible signal

It also reduces installation costs by requiring only one electrical box and one wiring run

The keypad includes fire status indicators and fire function keys

Johnson Controls T-4000-3139 SF 13/01 Dual telephone line voltage detect

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