Heat Detectors - Indoor

  1. Bosch F220-135 Electronic Rate-of-Rise/Fixed Temperature Heat Detector

      • Two-wire or four-wire bases
      • 50 ft (15.2 m) maximum spacing between detectors
      • Visible identification of model: F220-135 = no ring
      • Tamper detection
      • Dual color LED
    $23.30
    Low Price Guarantee
    SKU: F220-135
  2. Bosch F220-135F Electronic Fixed Temperature Heat Detector

      • Two-wire or four-wire bases
      • 50 ft (15.2 m) maximum spacing between detectors
      • Visible identification of model: F220-135F = gray ring
      • Tamper detection
      • Dual color LED
    $23.30
    Low Price Guarantee
    SKU: F220-135F