rate of rise

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  • Sale!
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    System Sensor 5601A – 135oF/57oC Rate-of-Rise Heat Detector

    Original price was: $34.95.Current price is: $29.95.
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    THERMOFLEX Conventional Heat Detector, Fixed/Rate of Rise, Indoor, 135oF (57oC), WHITE

    $39.95
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    FW521
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    FireWatcher 521 Intelligent Heat Detector

    Original price was: $148.00.Current price is: $88.80.